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IN THE CLAIMS 



CLAiM 1 (Currentiy Amended) A superconducting apparatus comprising; a composition 
having a transition temperature greater than or equai to 26"K the composition inGiudmg- 
a-f af e-eaf t^t-or-raf e-eaf t^^-!ik■e■■elemen^v■■a■■tr■aF^&!^-ton■■meta^■■el^ capable of exh i bit i ng 
multivalent states an4 ©xy§eR:- if^Glwd4f^§- comprising at least one phase that exhibits 
superconductivity at temperature greater than or equai to ze^K, a m«aRS temperature 
controiler fo-r capable of maintaining said composition at said temperature to exhibit said 
superconductivity and mean a current source foF capable of passing an electrical 
superconducting current through said composition whiie exhibiting said 
superconductivity . and said composition comprising a transition metal, oxygen and at 
ieast one element selected from the group consisting of a first element group, a second 
element group and combinations thereof, wherein said first element group comprises 
rare earth elements, rare earth-like elements and Group HiB elements and said second 
element group comprises alkaline earth elements and Group iiA elements . 

CLAiM 2 (Previously Presented) The superconducting apparatus of claim 1 further 
including an alkaline earth element substituted for at least one atom of said rare earth or 
rare earth-like element in said composition. 

CLAIM 3 (Previously Presented) The superconducting apparatus of claim 2, where said 
transition metal is Cu. 

CLAIM 4 (Previously Presented) The superconducting apparatus of claim 3, where said 
alkaline earth element is selected from the group consisting of B, Ca, Ba, and Sr. 

CLAIM 6 (Previously Presented) The superconducting apparatus of claim 1, where said 
transition metal element is selected from the group consisting of Cu. Ni, and Cr. 



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CLAIM 6 (Previously Presented) The superconducting apparatus of claim 2, where said 
rare earth or rare earth~!ike element is selected from the group consisting of la, Hd, and 
Ce, 

CLAIM 7 (Previously Presented) The superconducting apparatus of claim 1 , where said 
phase is crystalline with a perovskite-like strycture. 

CLAIM 8 (Previously Presented) The superconducting apparatus of claim 2, where said 
phase is crystalline with a perovskite-like structure. 

CLAIM 9 (Previously Presented) The superconducting apparatus of claim 1 , where said 
phase exhibits a layer-like crystalline structure. 

CLAIM 10 (Previously Presented) The superconducting apparatus of claim 1 , where 
said phase is a mixed copper oxide phase. 

CLAilVl 1 1 (Previously Presented) The superconducting apparatus of claim 1 , where 
said composition is comprised of mixed oxides with alkaline earth doping. 

CLAIM 12 (Currently Amended) A superconducting combination, comprising; a 
superconductive oxide having a transition temperature greater than or equal to 26^K, 

mear^s a current source for capable of passing a superconducting electrical current 
through said composition while said composition is at a temperature greater than or 
equal to 26°K and iess than said transition temperature, aod 

€-oo!iftg-~m6aBS a temperature controiier fer capable of cooling said composition to a 
superconducting state at a temperature greater than or equal to 26"K , and: 

said superconducting oxide comphses a transition metal and at least one element 
selected from the group consisting of a first eieinent group, a second element group and 

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combinations thereof, wherein said first eiement group comprises rare earth eiements, 
rare earth-like eiements and Group \\\B elements and said second element group 
comprises alkaline earth eiements and Group I! A eiements 

CLA!M 13 (Currently Amended) The combination of claim 12, where said 
superconductive-GGr^i-position-ifjGtodes-atraesition-meta! oxide comprises a iayered 
structure. 

CLA!M 14 (Currently Amended) The combination of claim 12, where said 
superconductive Gorrfpesition oxide includes comprises Cu -oxide. 

CLAiM 15 (Currently Amended) The combination of claim 12. where said 
superconductive oGmpos-rt-ioo--in<>!y€te-& oxide comprises a multivaient transition meta!-, - 
Qxyg9fi-.-and-af4eas^0ae-additional-elemefit. 

CLAiM 16 (Original) The combination of claim 15, where said transition metal is Cu. 

CLAIM 17 (Currently Amended) The combination of claim 15, where said a dditional- 
elefBenl-is--a-faFe-eaFth-0p-faF&-eaFth-Nke--etemenl superconductive oxide comprises a 
layered structure , 

CLAiM 18 (Currently Amended) The combination of claim 15, where said add+t-iGoal- 
element--is-afi-alk-aline-ear-tt^-eiement superconductive oxide comprises a multiphase 
materiai comprisincj a superconductive phase . 

CLAiM 19 (Currently Amended) The combination of claim 12, where said Gompo-s-it-ion - 
tnc4yde-s superconductive oxide comprises a perovskite-iike superconducting phase. 

CLAiiVI 20 (Currently Amended) The combination of claim 12, where said c ompo s ition 
Includes superconductive oxide comprises a substituted transition metal oxide. 



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CLA!M 21 (Currentiy Amended) The combination of claim 20, where said substituted 
transition metal oxide in^^ludes comprises a muitivaient transition metai element. 

CLAIM 22 (Original) The combination of claim 20, where said substituted transition 
metal oxide is an oxide of copper. 

CLAiM 23 (Original) The combination of claim 20, where said substituted transition 
metal oxide has a layer-iike structure, 

CLAIM 24 (Currently Amended) An apparatus comprising: 

a transition metal oxide having a phase therein which exhibits a superconducting state 
at a critical temperature greater than or equal to of IQ^K, 

mean-s a temperature controlier for- capabie of lowering the temperature of said material 
at least to said critical temperature to produce said superconducting state in said phase, 
and 

mean-s a current source for capable of passing an electrical superconducting current 
through said transition metal oxide while it is in said superconducting state , and: 

said transition metal oxide comprising at ieast one element selected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiemeiit group comprises rare earth eiements, rare earth-iike 
eiements and Group illB elements and said second element group comprises alkaline 
earth elem ents and Group f iA e lements 

CLAIM 25 (Previously Presented) The apparatus of claim 24, where said transition 
metal oxide is comprised of a transition metai capabie of exhibiting multivalent states. 



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CLAIM 26 (Previously Presented) The apparatus of claim 24, where said transition 
metal oxide is comprfsed of a Cu oxide, 

CLAIM 27 (Currently Amended) A superconducting apparatus comprising;, a 
composition having a transition temperature greater than or equal to 26''K, said 
composition being a substituted G«-oxide-in-Glu-difjg transition metai oxide comprising a 
superconducting phase having a structure which is structuraliy substantially similar to 
the orthorhombic-tetragonai phase of said composition, means a temperature controiler 
fef capable of maintaining said composition at a temperature greater than or equal to 
said transition temperature to put said composition in a superconducting state; and 
mean-s a current source for capable of passing current through said composition white 
in said superconducting state. , said transition metal oxide comprising at least one 
eiement selected from the group consisting of a first eiement group, a second element 
group and combinations thereof, wherein said first element group comprises rare earth 
elements, rare earth-like elements and Group iilB elements and said second eiement 
group comprises alkaiine earth eiements and Group HA elements 

CLAIM 28 (Currently Amended) Ti^ A superconducting apparatus ©f-GlaH^~27, 
comprising: a composition having a transition temperature greater than or equal to 
26" K. said composition being a substituted Cu-oxide including a superconducting phase 
having a structure which is structurally substantially similar to the orthorhombic- 
tetragonai phase of said composition , means a temperature controller capable of 
maintaining said composition at a temperature greater than or egual to said transition 
temperature to put said composition in a superconducting state; and means a current 
source capabie of passing current through said composition Vv'hile in said 
superconducting state. 

wherein said substituted Cu-oxide includes a rare earth or rare earth-like element, 

CLAIM 29 (Currently Amended) The A superconducting apparatus of cl a im - g ?, 
comprising: a composition having a transition temperature greater than or egual to 
26°K, said composition being a substituted Cu-oxide including a superconducting phase 

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having a structure which is structuraliy substantialiy similar to the orthorhombic- 
tetracjonai phase of said composition, mean-s a temperature controlier capabie of 
maintaining said composition at a temperature greater than or equal to said transition 
temperature to put said composition in a superconducting state: and means a current 
source capabie of passing current through said composition while in said 
superconducting state, wherein said substituted Cu-oxide inciudes an aikaiine earth 
element. 

CLAIM 30 (Previously Presented) The superconducting apparatus of ciaim 29, where 
said alkaline earth element is atomicaliy large with respect to Cu. 

CLA!M 31 (Previously Presented) The superconducting apparatus of ciaim 27, where 
said composition has a crystalline structure which enhances eiectron-phonon 
interactions to produce superconductivity at a temperature greater than or equal to 
26^K. 

CLAIM 32 (Previously Presented) The superconducting apparatus of claim 31 , where 
said crystalline structure is layer-like, enhancing the number of Jahn-Teller polarons in 
said composition. 

CLAIM 33 (Currently Amended) A superconducting apparatus comprising^, a an element 
comprising a composition capable of carrying a superconductive current flowing therein 
having a superconducting onset temperature greater than or equal to 26°K, the 
composition being comprised of a copper oxide doped with an alkaline earth element 
where the concentration of said alkaline earth element is near to the concentration of 
said alkaline earth element where the superconducting copper oxide phase in said 
composition undergoes an orthorhombic to tetragonal structural phase transition. 

CLAIM 34 (Currently Amended) A superconducting apparatus comprising: a 
composition having a superconducting onset temperature greater than or equal to 26°Kr 
a-com position being comprised of a mixed copper oxide doped with an element chosen 



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to result in Cu^* ions in said composition and a meaRS current source for capable of 
passing a superconducting current through said superconducting composition , and said 
composition comprising at least one eiement seiected from the group consisting of a 
first eiement group, a second eiement group and combinations thereof, wherein said 
first eiernent (;jroup comprises rare earth eiements, rare earth-like eiernents and Gr^ 
IWB eiements and said second element group comprises aSkaline earth elements and 
Group HA elements . 

CLAIIV! 35 (Currently Amended) A.superconduct!ng appraratus-0f -claiffi-34_ 
comprising: an element comprising a superconducting onset temperature greater than 
or equal to 26°K. a composition being comprised of a mixed copper oxide doped with an 
eiement chosen to result in Cii'^* ions in said composition and a current source fof 
capable of passing a superconducting current through said superconducting 
composition w herein said doping eiement includes an alkaline earth element. 

CLAIM 36 (Currently Amended) A combination comprising: 

a composition having a superconducting onset temperature greater than or equal to 
26''K, said composition being comprised of a substituted copper transition metai oxide 
exhibiting mixed valence states and at least one other eiement in its crystalline 
structure, 

mea-ns- a current source for capable of passing a superconducting electrical current 
through said composition while said composition is at a temperature greater than or 
equal to 26" K and less than said superconducting onset temperature, ar-^d 

cooling- means a temperature controller f or capable of cooling said composition to a 
superconducting state at a temperature greater than or equal to 26°K , and 

said at least one other element comprising at least one element selected from the group 
consisting of a first element group, a second element group and combinations thereof. 

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wherein said first eiement group comprises rare earth eiements, rare earth-iike 



eiements and Group iMB elements and said second element group comprises aikaline 



earth elements and Group ilA elements . 



CLA!M 37 (Currently Amended) A combination comprisino; 

a composition having a suoerconductina onset temperature greater than or equal to 
26° K. said composition comprising a substituted copper oxide exhibiting mixed vaience 
states and at ieast one other eiement in its crvstailine structure. 

a current source capable of passing a superconducting electrical current through said 
composition while said composition is at a temperature greater than or equal to 26''K 
and less than said superconducting onset temperature, 

a temperature controlier capabie of cooling said composition to a superconductino state 
at a temperature greater than or equal to 26°K., and 

-Th-e-G0fnbi«ation- of Glaim-36-,- wherein said at ieast one other element is an aikaiine 
earth element. 

CLAIM 38 (Currently Amended) The combination of claim 36, wherein said composition 
fnat-al-ox-i^e is a copper oxide and said at least one other eiement is an eiement which 
results in Cu^* ions in said composition, 

CLAIM 39 (Currently Amended) The combination of claim 36, where in said composition 
f¥)et-aLexi4e is a copper oxide and said at least one other eiement is an element chosen 
to resuit in the presence of both Cu^* and Cu^'' ions in said composition. 

CLAIM 40 (Currently Amended) An apparatus comprising; a superconductor exhibiting 
a superconducting onset at an onset temperature greater than or equal to 26°K, said 



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superconductor being comprised of at feast four elements, none of which is itseif 
superconducting at a temperature greater than or equal to 26°K, means a temperature 
controiler for capabie of maintaining said superconductor at an operating temperature m 
excess of said onset temperature to maintain said superconductor in a superconducting 
state and meaRS a current source Iof capabie of passing current through said 
superconductor while in said superconducting state and said superconductor 
comprising a transition metai. oxygen and at least one eiement seiected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements, rare earth-iike 
eiements and Group illB elements and said second element group comprises aikaline 
earth elements and Group HA elements. 

CLA!M 41 (Currently Amended) The apparatus of ciaim 40, where said -elements - 
4ftekjde-a4fansitiQn metal-an<j-Qxvg9f^ superconductor comprises a iayered structure . 

CLAIM 42 (Currently Amended) -A-ap^afafes An apparatus having comprising- a 
superconducting onset temperature greater than or equal to 26''K, said superconductor 
being a doped transition metai oxide, where said transition metal is itseif non- 
superconducting and means a current source for capabie of passing a superconducting 
eiectric current through said composition said transition metai oxide comprising at least 
one element selected from the group consisting of a first element group, a second 
eiement group aiid combinations thereof, wherein said first element group comprises 
rare earth eiements. rare earth-iike eiements and Group iliB eiements and said second 
eiement group comprises aikaiine earth elements and Group MA elements 

CLAiM 43 (Previously Presented) The apparatus of claim 42, where said doped 
transition metal oxide is multivaient in said superconductor. 

CLAiM 44 (Previously Presented) The apparatus of claim 42, further including an 
eiement which creates a mixed vaient state of said transition metai. 



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CLAIM 46 (Previously Presented) The apparatus of claim 43, where said transition 
metal is Cu, 

CLAIM 46 (Currently Amended) An apparatus t^av-ing comprising: a superconductor 
having a superconducting onset temperature greater than or equal to 26'-'K, said 
superconductor being an oxide having multivaient oxidation states and including a 
metal, said oxide having a crystaliine structure which is oxygen deficient and a means a_ 
current source f-of capable of passing a superconducting eiectric current through said 
superconductor , said metai being a transition metal, and comprising at ieast one 
eiement seiected from the group consisting of a first eiement group, a second element 
group and combinations thereof, wherein said first element group comprises rare earth 
eiements, rare earth-like eiements and Group lilB elements and said second eiement 
group comprises alkaiine earth eiements and Group iiA elements 

CLA!M 47 (Previously Presented) The apparatus of claim 46, where said transition 
metal is Cu. 

CLAIM 48 (Currently Amended) A superconductive apparatus comprising: a 
superconductive composition comprised of a transition metal oxide having substitutions 
therein, the amouiit of said substitutions being sufficient to produce sufficient electron- 
phonon interactions in said composition that said composition exhibits a 
superconducting onset at temperatures greater than or equal to 26''K, and a source of 
current for capable of passing a superconducting electric current through said 
superconductor , and said superconductive composition comprising a transition metai, 
oxygen and at least one eiement selected from the group consisting of a first eiement 
group, a second eiement group and combinations thereof, wherein said first element 
group comprises rare earth elements, rare earth-like eiements and Group iOB elements 
and said second element group comphses aikaiine earth elements and Group iiA 
eiements . 



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CLAIM 49 (Previously Presented) The superconductive apparatus of claim 48, where 
said transition metal oxide is multivalent in said composition. 

CLAIM 50 (Previously Presented) Tiie superconductive apparatus of claim 48, where 
said transition metal is Cu. 

CLAIM 51 (Currently Amended) The .s-upeF6on4u6tiva"appapatu-S"Of"6laifi-i"48-.- A_ 
superconductive apparatus comprisinp: a superconductive composition comprised of a 
transition metal oxide having substitutions therein, the amount of said substitutions 
being sufficient to produce sufficient eiectron-phonon interactions in said composition 
that said composition exhibits a superconducting onset at temperatures greater than or 
equal to 26° K, and a source of current capabie of passing a superconductinp eiectric 
current through said superconductor, wherein said substitutions include an aikaiine 
earth element, 

CLAIM 52 (Currently Amended) The-st:^pefeonduc4ve^ap^afatus-9f€4airn 48. A_ 
superconductive apparatus comprising: a superconductive composition comprised of a 
transition metal oxide having substitutions therein, the amount of said substitutions 
being sufficient to produce sufficient eiectron-phonon interactions in said composition 
that said composition exhibits a superconducting onset at temperatures greater than or 
equal to 26° K, and a source of current capabie of passing a superconducting eiectric 
current through said superconductor. , wherein said substitutions include a rare earth or 
rare earth-like element. 

CLAIM 53 (Currently Amended) A superconductive apparatus eompffs ed of a copp eF 
oxide -corn prising: an el em ent com prising a composition capab le of ca rry ing a 
superconductive current flowing therein comprising h a v i ng a layer-like crystailine 
structure and at least one additionai element substituted in said crystailine structure, 
said structure being oxygen deficient and exhibiting a superconducting onset 
temperature greater than or equai to 26° K. and said composition comprising a transition 
metal, oxygen and at least one eiement selected from the group consisting of a first 

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eiement group, a second eiement group and combinations thereof, wherein said first 
eiement group comprises rare earth elements, rare earth-iike elements and Group \\\B 
elements and said second eiement group comprises alkaline earth eiements and Group 
HA elements - 

CLAIM 54 (Curretnly Amended) The superconductor of ciaim 53, where said additional 
eiement creates a mixed valent state of said copp e f ox i d e transition metai in said 
superconductor. 

CLAIM 56 (Currently Amended) A combination, comprising; 

a transition metal oxide having an superconducting onset temperature greater than 
about 26" K and having an oxygen deficiency, said transition metal being non- 
superconducting at said superconducting onset temperature and said oxide having 

multivaient states, 

means a current source for capable of an eiectrica! superconducting current through 
said oxide while said oxide is at a temperature greater than or equal to 26''K, and 

Gooii-ng m^afis a temperature control ier for capabie of cooling said oxide in a 
superconducting state at a temperature greater than or equai to 2G° K, and 

said transition metal oxide comprising at ieast one element selected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
vi/herein said first eiement group comprises rare earth eiements, rare earth-iike 
eiements and Group \\\3 eiements and said second element group comprises alkaline 
earth elements and Group HA elements . 

CLAIM 56 (Onginal) The combination of claim 55, where said transition metal is Cu. 
CLAIM 57 (Currently Amended) A combination ifioiudrng comprising: 
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a superconducting oxide having a superconducting onset temperature greater than or 
equal to 26°K and containing at least 3 eiements which are non-superconducting at said 
onset temperature, 

meaR-s a current source fof- capable of a superconducting current through said oxide 
while said oxide is maintained af a temperature greater than or equa! to IQ^K, and 

w^aRS a temperature controlier fer capable of maintaining said oxide in a 
superconducting state a! a temperature greater than or equal to IQ^K and less than said 
superconductive onset temperature, and 

said superconducting oxide comphsing a transition metai and at ieast one eiement 
seiected from the group consisting of a first element group, a second element group and 
combinations thereof, wherein said first element group comprises rare earth elements, 
rare eartfi-like elements and Group 11 IB elements and said second element group 
comprises alkaline earth elements and Group HA eiements. 

CLAIM 58 (Currently Amended) A combination. -eofTigFj-sed-gf- comprising: 

a 6-Gf>peF- transition metal oxide superconductor having a superconductor onset 
temperature greater than about 26*K including an eiement which results in a mixed 
valent state in said oxide, said oxide being crystalline and having a layer-like structure, 

means a current source f«r capable of a superconducting current through said ceppef 
transition metal oxide while it is maintained at a temperature greater than or equal to 
and less ttian said superconducting onset temperature, and 

meafis a temperature controller loF -capabie of cooling said c opp e r transition metal oxide 
to a superconductive stale at a temperature greater than or equal to 26° K and less than 
said superconducting onset temperature, and 



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said transition metal oxide comprising at ieast one element selected from th e group 
consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements, rare earth-iike 
eiements and Group HiB elements and said second element group comprises aikaline 
earth elements and Group liA elements . 

CLAIIV! 59 (Currently Amended) A combinationrSompF-ised-of comprising : 

a ceramic-like materia! having an onset of superconductivity at an onset temperature 
greater than or equal to 26"^ 

a current source fof capable of p roviding a superconducting eiectricai current 
through said ceramic-iike material while said materia! is maintained at a temperature 
greater than or equal to 26°K and less than said onset temperature, aM 

m ea n s a temperature controlier for capabie of cooling said superconducting ceramic- 
like material to a superconductive state at a temperature greater than or equal to 26''K 
and less than said onset temperature, said materia! being superconductive at 
temperatures beiow said onset lemperalure and a ceramic at temperatures above said 
onset temperature , and 

said ceramic-like materia! com prising a transition metai, oxygen and at least one 
eiement selected from the group consisting of a first eiement group, a second element 
group and combinations thereof, v^/herein said first element group comprises rare earth 
elements, rare earth-iike elements and Group liiB eiements and said second eiement 
group comprises alkaline earth elements and Group ilA elements . 

CLAIM 60 (Currently Amended) An apparatus comprised of comprising: a transition 
metal oxide, and at least one additional element, said superconductor having a distorted 



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crystaliine structure characterized by an oxygen deficiency and exhibiting a 
superconducting onset temperature greater than or equal to of 26°K, a source of current 
fof capabie of passing a superconducting electric current in said transition meta! oxide, 
and a cooling apparatus for capable of maintaining said transition metal oxide beiow 
said onset temperature at a temperature greater than or equal to 26°K , and 

asid transition metal oxide comprising at ieast one element selected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements, rare earth-iike 
elements and Group IMB elements and said second element group comprises aikaline 
earth elements and Group HA elements 

CLAIM 61 (Previously Presented) The apparatus of claim 60, where said transition 
metal is Cu, 

CLAIM 62 (Currently Amended) An apparatus Gomprised-of comprising: a transition 
metal oxide and at ieast one additional eiement, said superconductor having a distorted 
crystalline structure characterized by an oxygen excess and exhibiting a 
superconducting onset temperature greater than or equal to 26"K, a source of current 
fef^ capable of passing a superconducting electric current in said transition metal oxide, 
and a cooling apparatus for capable of maintaining said transition metal oxide below 
said onset temperature and at a temperature greater than or equal to of 26''K , and 

asid transition metal oxide comprising at ieast one element selected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first element group comprises rare earth eiements, rare earth-iike 
elements and Group MiB eiements and said second element group comprises alkaline 
earth elements and Group iiA elements 

CLAIM 63 (Previously Presented) The apparatus of claim 62, where said transition 
metal is Cu. 

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CLAIM 64 (Currently Amended) A combination, comprfsing: 



a mixed GOppep transition metal oxide composition Slaving enhanced polaron formation, 
said composition including an eiement causing said eoppef transitiQn metai to iiave a 
mixed vaien! state in said composition, said composition furtlier having a distorted 
octahedra! oxygen environment leading fo a Tc greater than or equal to 26*'K, 

mems- a current source for capable of providing a superconducting current through said 
composition at temperatures greater than or equal to 26*K and less than said Tc, and 

eoo li ng me -an-&- a temperature controller for capabie of cooling said composition to a 
temperature greater than or equal to 26" K and less than said T, , and 

asid transition metal oxide comprising at least one element selected from the group 
consisting of a first eiement group, a second element group and combinations thereof. 
vi^herein said first eiement group comprises rare earth eiements, rare earth-like 
eiements and Group 1 1 IB elements and said second element group comprises alkaline 
earth elements and Group HA elements 

CLAIM 65 (CiiR-entiy Amended) An apparatus comprising: a composition exhibiting 
superconductivity at temperatures greater than or equal to 26*K, said composition being 
a ceramic-like matena! in the RE-AE-TM-0 system, yvhere RE is a rare earth or near 
rare earth eiement, AE is an aikaiine earth element, TM is a muitivaient transition metal 
eiement having at ieast two vaience states in said composition, and 0 is oxygen, the 
ratio of the amounts of said transition metal in said two valence states being determined 
by the ratio RE ■ AE, a source of current for capable of passing a superconducting 
electric current in said transition metal oxide, and a cooling apparatus ior- capable of 
maintaining said transition metal oxide below said onset temperature and at a 
temperature greater than or equai to 26°K. 



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CLA!M 66 (Currentiy Amended) An apparatus comprising^ a superconductive 
composition having a transition temperature greater than or equa! to 26°K, the 
composition including a muitivaient transition metal oxide and at least one additional 
element, said composition having a distorted orthorhombic crystalline structure, a 
source of current fer capable of passing a superconducting electric current in satd 
transition metai oxide, and a cooiing apparatus for capable of maintaining said transition 
metal oxide below said onset temperature and at a temperature greater than or equal to 
26°K . and said at least one additional element comprising at least one element selected 
from the qroup consistinq of a first element group, a second element group and 
combinations thereof, wherein said first element group comprises rare earth elements, 
rare earth-lii<e elements and Group HIB elements and said second element group 
comprises alkaline earth elements and Group liA elements . 

CLAIM 67 (Previously Presented) The apparatus of claim 66, where said transition 
metal oxide is a mixed copper oxide. 

CLAIM 68 (Currently Amended) Tt^e-a-ppara-tu-s -of -claim 
An apparatus comprising- a superconductive composition having a transition 
temperature greater than or equal to 26"K, the composition including a multivalent 
transition metal oxide and at least one additional element, said composition having a 
distorted orthorhombic crystalline structure, a source of current for capable of passing a 
superconducting eiectric current in said transition metai oxide, and a cooling apparatus 
capable of maintaining said transition metal oxide below said onset temperature and at 
a temperature greater than or egual to 26°K, wherein said one additional element is an 
alkaline earth element. 

CLAIM 69 (Currently Amended) A superconductive combination, comprising: 

a superconducting composition exhibiting a superconducting transition femperafure 
greater than or equal to 26°K, said composition being a transition metal oxide having a 
distorted orthorhombic crystalline structure, m4 



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m&ans a current source fof- capable of passing a superconducting eiectrical current 
through said composition while said composition is at a temperature greater than or 
equai to 26°K and iess than said superconducting transition temperature , and 

said transition metal oxide comprising at Seast one element selected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first element group comprises rare earth eiements, rare earth-iike 
eiements and Group iiiB elements and said second element group comprises aikaline 
earth elements and Group \\A elements. 

CLAiM 70 (Original) The combination of claim 69, where said transition metai oxide is s 
mixed copper oxide. 

CLAIM 71 (Currently Amended) 

A superconductive combination, comprising: 

a superconducting composition exhibiting a superconducting transition temperature 
greater than or equal to 26''K, said composition being a transition metal oxide having a 
distorted orthorhombic crystailine structure, and 

a current source capable of passing a superconducting electrical current through said 
composition while said composition is at a temperature greater than or equal to 26''K 
and less than said superconducting transition temperature: 

said transition metal oxide is a mixed copper oxide; 

The€omt>inatiofj-of -Glaim-70v wherein said mixed copper oxide includes an alkaline 
earth element. 



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CLAIM 72 (Original) The combination of claim 71 , where said mixed copper oxide 
further includes a rare earth or rare earth-like eiement. 



CLAIM 73 (Witdrawn, Currently Amended) An apparatus comprising^, an element 
capabie of caying a superconductive current CQmprising comprising a composition of 
matter comprising a superconducting onset temperature greater than or equal to 26°K, 
said composition of matter made by a method comprising the steps of: 

preparing powders of oxygen-containing compounds of a rare earth or rare earth-!ike 
eiement, an alkaline earth eiement, and copper. 

mixing said compounds and firing said mixture to create a mixed copper oxide 
composition including said aikaiine earth element and said rare earth or rare earth-iike 
eiement, and 

annealing said mixed copper oxide composition at an eievated temperature iess than 
about 950°C in an atmosphere inciuding oxygen to produce a superconducting 
composition having a mixed copper oxide phase exhibiting a superconducting onset 
temperature greater than or equa! to 26''K, said superconducting composition having a 
iayer-iike crystalline structure after said annealing step, 

CLAIM 74 (Withdrawn, Currently Amended) The m&ttiod apparatus of claim 73, where 
the amount of oxygen incorporated into said composition is adjusted by said annealing 
step, the amount of oxygen therein affecting the critical temperature To of the 
superconducting composition. 

CLAIM 75 (Withdrawn, Currently Amended) An apparatus comprising: an eiement 
capable of caying a superconductive current comprising a composition of matter for 
carrying a superconductive current comprising a superconducting onset temperature 
greater than or equal to 2S''K, said superconductor being comprised of a rare earth or 
rare earth-like eiement (RE), an alkaline earth eiement (AE), copper (CU), and oxygen 
(O) and having the general formula RE-AE-CU-0, said composition being made by a 



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method including the steps of combining said rare earth or rare earth-like eierr^ent, said 
aikaline earth element and said copper in the presence of oxygen to produce a mixed 
copper oxide inciuding said rare earth or rare earth-iike element and said alkaline earth 
element therein, and 

heating said mixed copper oxide to produce a superconductor having a crystailine layer- 
like structure and exhibiting a superconducting onset temperature greater than or equal 
to 26°K the critical transition temperature of said superconductor being dependent on 
the amount of said alkaline earth element therein, 

CLAIM 76 (Withdrawn) The apparatus of claim 75, where said heating step is done in 

an atmosphere including oxygen. 

CLAIM 77 (Currently Amended) A combination, comprising; 

a mixed copper oxide composition including an alkaline earth element (AE) and a rare 
earth or rare earth-like element (RE), said composition having a iayer-like crystalline 
structure and multi-vaient oxidation states, said composition exhibiting a substantiaily 
zero resistance to the flow of eiectrical current therethrough when cooled to a 
superconducfing state at a temperature greater than or equal to 26*'K, said mixed 
copper oxide having a superconducting onset temperature greater than or equal to 
26^K, and 

e-tectrica^-maafts a current source for capabie of passing an electrical superconducting 
current through said composition when said composition exhibits substantially zero 
resistance at a temperature greater than or equal to 26° K and less than said onset 
temperature. 

CLAIM 78 (Onginal) The combination of claim 77, where the ratio (AE,RE) : Cu is 

substantially 1:1. 



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CLAIM 79 (Currently Amended) The combination of claim 77, where the ratio (AE,RE) : 
Cu is substantially 2:1. 

CLAIM 80 (Original) The combination of claim 77, wherein said crystaliine structure is 
perovskite-like. 

CLAIM 81 (Original) The combination of claim 77, where said mixed copper oxide 
composition has a non-stoichiometric amount of oxygen therein. 

GLA!M 82 (Withdrawn, Currently Amended) An apparatus comprising: a n element 
capabie of carrying a superconductive current supef^oRduotor comprising a 
superconducting onset temperature greater than or equal to 26" K. said superconductor 
being comprised of a rare earth or rare earth-like element (RE), an alkaline earth 
element (AE), a transition metal element (TM). and Oxygen (O) and having the general 
formula RE-AE-TM-0, said superconductor being made by a method including the steps 
of combining said rare earth or rare earth-like element, said alkaline earth element and 
said transition metal element in the presence of oxygen to produce a mixed transition 
metal oxide including said rare earth or rare earth-like element and said alkaline earth 
element therein, and 

heating said mixed transition metal oxide to produce superconductor having a 
crystalline layer-like structure and exhibiting a superconducting onset temperature 
greater than or equal to 26''K. said superconductor having a non-stoichiometric amount 
of oxygen therein. 

CLAIM 83 (Witdrawn) The apparatus of claim 82, where said transition metal is copper. 

CLAIM 84 (Currently Amended) A superconducting combination, comprising: 

a mixed transition metal oxide composition containing a non-stoichiometric amount of 
oxygen therein, a transition metal and at least one additiona! element, said composition 



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having substantially zero resistance to the flow of electricity therethrougli wiien cooled 
to a superconducting state at a temperature greater than or equal to 26''K, said mixed 
transition metal oxide has a superconducting onset temperature greater than or equal to 
26°K, and 

eleGtR€:at meaas current source fer capable of passing an eiectrica! superconducting 
current through said composition when said composition is m said superconducting 
state at a temperature greater than or equal to 26" K, and less than said 
superconducting onset temperature , and 

said mixed transition metal oxide compnsing at ieast one eiement selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first element group comprises rare earth elements, rare earth-like 
elements and Group IMB elements and said second element group comprises alkaline 
earth elements and Group ilA elements . 

CLAIM 85 (Original) The combination of claim 84, where said transition metal is copper, 
CLAIM 86 (Currently Amended) An apparatus comprising: 

a composition including a transition metai, a rare earth or rare earth-lii<e element, an 
alkaline earth element, and oxygen, where said composition is a mixed transition metal 
oxide having a non-stoichiometric amount of oxygen therein and exhibiting a 
superconducting onset temperature greater than or equal to 26°K, 

mea-ns a temperature controlier lor capable of maintaining said composition to said 
superconducting state at a temperature greater than or equal to 26''K and less than said 
superconducting onset temperature, and 

ffieafis a current source for capable of passing an electrical current through said 
composition while said composition is in said superconducting state. 



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CLAIM 87 (Allowed) The apparatus of cSaim 86. where said transition metal is copper, 
CLAIM 88 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or equai 
to IG^K. 

a cooler for capable of cooling said composition to a temperature greater than or equal 
to 25^K at which temperature said composition exhibits said superconductive state, and 

a current source fof capable of passing an electrical current through said composition 
while said composition is in said superconductive state . and 

said composition comprising a transition metai, oxygen and at least one eSement 
selected from the group consisting of a first eiement group, a second eiement group and 
combinations thereof, wherein said first element group comprises rare earth elements, 
rare earth-like elements and Group MIB elements and said second element group 
comprises alkaline earth elements and Group HA elements. 

CLAIM 89 (Currently Amended) The apparatus of claim 88, wherein said GGm-position4S" 
comprised-of-a transitjon metal oxide js copper. 

CLAIM 90 (Currently Amended) The apparatus of claim 88, where said ©•©mp&stt-iOR -fS- 
6Gmf>rlsed-Gf-a-transition metal gxIg^ is multivalent . 

CLAIM 91 (Currently Amended) A combination, compnsing: 

a composition exhibiting the onset of a DC substantially zero resistance state at an 
onset temperature in excess of SCK, and 



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meaR-s a current source for capable of passing an eiectricai current through said 
composition whiie it is in said substantiaiSy zero resistance state , and 

said composition comprising a transition metal oxygen and at least one eiement 
seiected from the group consisting of a first eiernent (;jrou p. a seco 
combinations thereof, wherein said first eiement group comprises rare earth eSements. 
rare earth-like eiemenfs and Group liiB elements and said second element group 
comprises alkaline earth elements and Group HA elements. 

CLAIM 92 (Previously Presented) The combination of claim 91 , where said composition 
is a copper oxide. 

CLAIM 93 (Currently Amended) An apparatus, comprising: 

a mixed copgef- transition metal oxide materia! exhibiting an onset of superconductivity 
at an onset temperature greater than or equal to 26^K, and 
fnea-ns a current source for producing an electrica! current through said copper oxide 
materia! whiie it is m a superconducting state at a temperature greater than or equa! to 
26'K , and 

said transition metal oxide comprising at ieast one element selected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth elements, rare earth-iike 
elements and Group IMB elements and said second element group comprises aikaline 
earth elements and Group ilA elemeiits . 

CLAIM 94 (Currrently amended) The apparatus of claim 93, where said coppef mixed 
transition metal oxide material exhibits a layer-like crystalline structure. 

CLAIM 95 (Currently Amended) The apparatus of claim 93, where said said esppef 
mixed transition metal oxide material exhibits a mixed valence state. 



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CLAIM 96 (Currently Amended) A superconductive apparatus for causing eiectric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 

(a) a superconductor eierment made of a superconductive cormposition, the 
superconductive composition comprising a coppef-oxMe compound having a iayer-type 
perovskite-iike crystai structure, the composition having a superconductor transition 
temperature Tc of greater than or equal to 26°K; 

(b) meaRS a current source for capabie of maintaining the superconductor element at a 
temperature greater than or equal to 26°K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) means a temperature controller for capabie of causing an eiectric current to flow in 
the superconductor element , and 

said superconductive composition comprising a transition metai. oxygen and at least 
one element selected from the group consisting of a first element group, a second 
eiement group and combinations thereof, wherein said first element group comprises 
rare earth eiements. rare earth-iike eiements and Group HiB eiements and said second 
eiement group comprises aikaiine earth elements and Group IIA elements . 

CLAiM 97 (Currently Amended) The superconductive apparatus according to ciaim 96 
in which the Gopper-G-x-ye compound of the superconductive composition ioGiydes 
comprises a copper-oxide and at ieast one rare-earth or rare-earth -i ike element and at 
ieast one a!!<a!ine-earth eiement. 

CLAIM 98 (Previously Presented) The superconductive apparatus according to claim 97 
in which the rare-earth or rare-earth-like eiement is lanthanum. 



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CLAIM 99 (Previously Presented) The superconductive apparatus according to claim 97 
in which the aikaline-earth element is barium, 

CLAIM 100 (Currently Amended) The superconductive apparatus according to claim 96 
in which the gopper - ox i^ compound of the superconductive composition Inclyd e s 
comprises a mixed valent copper transition metai ions. 

CLAIM 101 (Currently Amended) The superconductive apparatus according to daim 

100 in v^hfch the copper-OK-ide compound iwlwdes comprises at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 102 (Currently Amended) The superconductive apparatus according to claim 

101 in which oxygen is present in the GGf^per-Qxide compound in a noosloichiomelric 
atomic proportion, 

CLAIM 103 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentialiy without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-lii^e crystal structure, the copper-oxide compound including at 
least one rare-earth or rare-earth-like element and at least one alkaline-earth element, 
the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tq=o, the transition-onset temperature Tc being 
greater than or equal to 26" K; 

(b) means a temperature controller for capable of maintaining the superconductor 
element at a temperature below the effectively-zero-bulk-resisfivity intercept 
temperature Tq=o of the superconductive composition; and 



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(c) meaR-s a current source fof caeabieof causing an electric current to flow in the 
superconductor element. 

CLAIM 104 (Previously Presented) The superconductive apparatus according to claim 
103 in which the rare-earth or rare-earth-iike element is lanthanum. 

CLAIM 105 (Previously Presented) The superconductive apparatus according to claim 
103 in which the alkaline-earth element is barium. 

CLAIM 106 (Previously Presented) The superconductive apparatus according to claim 
103 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 107 (Previously Presented) The superconductive apparatus according to claim 

106 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion, 

CLAIM 108 (Previously Presented) The superconductive apparatus according to claim 

107 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 109 (Currently Amended) A superconductive apparatus comprising, a 
composition having a transition temperature greater than or equal to 26°K, the 
composition jRGiydi-ng-a-faFe-aaf-tl^-or--atk-atina-ear-t]^-elament: comprising a transition 
metal element capable of exhibiting multivalent states and oxygen, including at least 
one phase that exhibits superconductivity at temperature greater than or equal to 26"K, 
meaf^s a temperature controller for capable of maintaining said composition at said 
temperature to exhibit said superconductivity and meafjs a current source for capable of 
passing an electrical superconducting current through said composition while exhibiting 
said superconductivity , and the compositon comprising at least one element selected 
from the group consisting of a first eieinent group, a second element group and 

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combinations thereof, wherein said first eiement group comprises rare earth eiements, 
rare earth-like eiements and Group \\\B elements and said second element group 
comprises alkaline earth eiements and Group I! A eiements 

CLA!M 110 (Currently Amended) The Gemfeiftation superconductive apparatus of claim 
•1§ 1Q9, where said ad^itional-element- is- rare-eaFth-of aSkaSiae-earth-ele+iReRt 
composition has a perovskite structure , 

CLAIIV! 1 1 1 (Currently Amended) A device comprising^ an element capable of carrvino a 
superconductive current comprising a superconducting transition meta! oxide having a 
superconductive onset temperature greater than or equa! to 26*^K, a temperature 
controlier capable of mantaininq said superconducting transition metal oxide be'mg at a 
temperature less than said superconducting onset temperature and-having-a- 
superconduGting cyrreF44tewifi^4lweif^ .said superconductive transition metai oxide 
comprising at least one element selected from the group consisting of a first element 
group, a second eiement group and combinations thereof, vi/herein said first element 
group comprises rare earth elements, rare earth-like eiements and Group ilj8 elements 
and said second element group comprises aikaiine earth elements and Group \\A 
eiements 

CLAiM 112 (CurrentSy Amended) A device comprising, an element capable of carrying a 
superconductive current comprising a superconducting co^pef- ox-i^de composition 
having a superconductive onset temperature greater than or equal to 26°K, a_ 
temperature controiler capabie of mantaining said superconducting coppef-ox-ide 
composition being at a temperature less than said superconducting onset temperature 
an^--ha-v-}ng--a--$u-pefOQn^uot4ng-<>urfent--f-lQw-ing--t-herein . and said composition comprising 
a transition metal, oxygen and at least one eiement selected from the group consisting 
of a first element group, a second element group and combinations thereof, wherein 
said first eiement group comprises rare earth elements, rare earth-like elements and 
Group MiS elements and said second element group comprises aikaiine earth elements 
and Group HA elements. 

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CLAIM 1 1 3 (Currently Amended) A device comprising; an element capable of carrying a 
superconductive current comprising a superconducting oxide composition having a 
superconductive onset temperature greater than or equa! to 26"K, a temperature 
controiier capable of mantaining said superconducting copper oxide feeiog at a 
temperature less than said superconducting onset temperature andttavinga- 
supefGondusti-ngGyrFsnt-flGwin^-tl^sf-eifl, said composition comprising at least one each 
of rare earth, an alkaline earth, and copper. 

CLA!M 114 (Currently amended) A device comprising: an element capabie of carrying a 
superconductive current comprising a superconducting oxide composition having a 
superconductive onset temperature greater than or equai to 26"K, a temperature 
controiier capable of mantaining said superconducting copper oxide bein-g at a 
temperature less tiian said superconducting onset temperature and-having a- 
supefCGR^uctingcyFFent flowin^-tl^efein, said composition comprising at least one each 
of a group I! IB element, an alkaiine earth, and copper. 

CLAiM 115 (Currently Amended) A device comprising, an element capable of carrying a 
superconductive current comprising a iransitloft iTietaloxi^^e composition having a Tc 
greater than or equal to 26° K Gaffyin^ -a-supefGondusti-ng GyrFsnt . a temperature 
controiier capable of mantaininq said tf-an-sltien- r-Re-tai -G-xIde composition is maintain&d 
at a temperature less than said Te. , and said composition comprising a transition metaL 
oxygen and at least one element selected from the group consisting of a first element 
group, a second eiement group and combinations thereof, wherein said first element 
group comprises rare earth elements, rare earth-like elements and Group illB elements 
and said second element group compnses aikaiine earth elements and Group liA 
elements . 

CLAiM 116 (Currently Amended) An apparatus comprising: an element capable of 
carrying a superconductive current comprising a transition metal oxide composition 
having a Tc greater than or equal to 26°K cafi^i«g--a-sypeFCORdyctij^--c cyf-rer^t ^ 



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and a temperature controlier capable of maintaining said tfansit-ioff--rf>eta-[-Gx-i^e 
composition is-maiotaioe4 at a temperature less than said Jr. , and said composition 
comprising a transition metai, oxygen and at least one eiement seiected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements, rare earth-iike 
elements and Group \\\B elements and said second element group comprises aikaline 
earth eiements and Group ilA elements . 

CLAIIV! 117 (Currentiy Amended) A structure comprising: an element capable of 
carrying a superconductive current comprising a tfansit-ioff-meta-f -Gxi^e composition 
having a Tc greater than or equal to 26'^ K Gafiying-a-sypef-Gon^yoting-ciJFFeptl -and 
wherein said composition comprising a transition metal, oxygen and at ieast one 
eiement seiected from the group consisting of a first eiement group, a second element 
group and combinations thereof, v^/'herein said first element group comprises rare earth 
eiements. rare earth-like eiements and Group iilB elements and said second eiement 
group comprises alkaiine earth eiements and Group HA elements . 

CLAiM 118 (Currently Amended) An apparatus comprising: an eiement capabie of 
carrying a superconductive current comprising a tfansltiof^- metaloxi^e composition 
having a T^; greater than or equal to 26° K Gaffyin^-a-sypefOGndyoting-GUFFsnt . and said 
composition comprising a transition metal, oxygen and at ieast one eiement selected 
from the group consisting of a first eiement group, a second eiement group and 
combinations thereof, wherein said first eiement group comprises rare earth eiements. 
rare earth-like eiements and Group iilB elements and said second element group 
comprises alkaline earth eiements and Group liA eiements . 

CLAiM 1 1 9 (Currentiy Amended) A device comprising^ an element capable of carrying a 
superconductive current comprising a copper oxide having a Tc greater than or equai to 
26''^K gaFFy4ng a-&yfief6GnduGtifig-GorreRt^ said copper oxide is capabie of being 
maintained at a temperature less than said Tc, and said copper oxide comprising at ieast 
one element selected from the group consisting of a first element group, a second 

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eiement group and combinations thereof, wherein said first element group comprises 
rare earth eiements, rare earth-iike eiements and Group HiB eiements and said second 
eiement group comprises aii<;aiine earth elements and Group MA elements 

CLAIM 1 20 (Currently Amended) An apparatus comprising: an eiement capabie of 
carrying a superconductive current comprising a copper oxide having a To greater than 
or equal to 26*^ K GaFFyifig a -sypaFGondyGtiRg-GUfr-en-t. a temperature controiler capabie of 
maintaining said copper oxide is--main-tained at a temperature less than said Tc. and said 
copper oxide comprising at least one element seiected from the group consisting of a 
first eiement group, a second eiement group and combinations thereof, wherein said 
first eiement group compnses rare earth eiements, rare earth-lil<e eiements and Group 
11 IB eiements and said second element group comprises ail<aline earth elements and 
Group liA elements 

CLA!M 121 {Currentiv Amended) A device comprising: an element capable of carrying a 
superconductive current comprising a copper oxide having a T,.. greater than or equai to 
26" K oaFF-y-in§-a--supefconciuc-ti-ng--cyr-rem and said copper oxide comprising at ieast one 
eiement seiected from the group consisting of a first eiement group, a second element 
group and combinations thereof, wherein said first element group comprises rare earth 
eiements, rare earth-like eiements and Group IHB elements and said second eiement 
group comprises alkaiine earth eiements and Group 11 A elements . 

GLA!M 122 {Currently Amended) An apparatus comprising^ an eiement capabie of 
carrying a superconductive current comprising a copper oxide having a Tc greater than 
or equal to 26" K GaffylR§-a- supef€-Gf>du€tln§ €yrF&Rl and said copper oxide comprising 
at least one eiement selected from the group consisting of a first eiement group, a 
second eiement group and combinations thereof, wherein said first element group 
comprises rare earth eiements. rare earth-iike eiements and Group iilB elements and 
said second eiement group compnses alkaline earth eiements and Group HA elements . 

CLAIM 1 23 (Currently Amended) A superconductive apparatus comprising: 

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a composition of the formuia BaxLax-sCusOy wherein x is from about 0.75 to about 1 and 
y is the oxygen deficiency resuiting from annealing said composition at temperatures 
from about 540''C to about SSO^C and for times of about 15 minutes to about 12 hours, 
said composition having a metal oxide phase which exhibits a superconducting state at 
a critical temperature greater than or equal to 26''K; 

a means temperature controlier for capabie of maintaining the temperature of said 
composition at a temperature less than 

said critical temperature to induce said superconducting state in said metal oxide phase; 
and 

a means current source for capable of passing an eiectricai current through said 
composition while said metai oxide phase is in said superconducting state, 

CLAIM 124 (CurrentSy Amended) A device comprising: an element capable of carrying a 
superconductive current comprising a composition of matter having a Tc greater than or 
equal to 26°K oaffytn^-asyper-c^ndyc-ting-Gyffei^. said composition comprising at least 
one each of a 1118 element, an alkaline earth, and copper oxide and a temperature 
controlier capable of mantaininq said 4ev^Ge-4&-maifjtaifjed composition of matter at a 
temperature less than said Tc. 

CLAIM 125 (Currentiy Amended) An apparatus comprising: an element capable of carrying 
a superconductive current comprising a composition of matter having a Tc greater than 
or equal to 26°K oafiyi{%-a--sufief eQnduct i ng curr said composition comprising at 
least one each of a rare earth, an alkaline earth, and copper oxide. 

CLAIM 126 (Currentiy Amended) A device comprising: an element capable of carn/ing a 
superconductive current comprising a composition of matter having a Tc greater than or 
equal to 26^K oarryln§a superoonduotifig cerreftt, said composition comprising at least 
one each of a rare earth, and copper oxide. 



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CLAIM 127 (Currently Amended) A device comprising- an element capable of carry ing a 
superconductive current comprising a composition of matter having a Tc greater than or 
equal to 26"Koarr-y-ing-a-&upercon4uc-ti-ng--Gyr-rem, said composition comprising at least 
one each of a i MB element, and copper oxide. 

CLAIM 128 (Currently Amended) A transition meta! oxide device comprising; an 
eiement capable of carrying a superconductive current comprising a Tc_greater than or 
equal to 2&^K and G-affv-incf-a-supefconductin'^-c-yrr&n t-, said transition metai oxide device 
comprising a transition metai. oxygen and at least one eiement selected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
vi/herein said first eiement group comprises rare earth eiements, rare earth-iike 
elements and Group iiiB elements and said second element group comprises aikaline 
earth elements and Group flA elements, . 

CLAIM 129 (Currently Amended) A copper oxide device comprising, an element 
capabie of carrying a superconductive current comprising a Tc greater than or equal to 
26" K and GaffyHq^-a-syper-condyetinf cuffB^^ said copper oxide device comprising a 
copper, oxygen and at ieast one element selected from the group consisting of a first 
eiement group, a second eiement group and combinations thereof, wherein said first 
eiement group comprises rare earth elements, rare earth-iike elements and Group IIIB 
eiements and said second eiement group comprises alkaline earth eiements and Group 
HA elements. . 

CLAIM 130 (Currently Amended) A superconductive apparatus comprising: a 
composition having a transition temperature greater than or equal to 26°K, the 
composition inciuding a rare earth or Group 111 B element, a transition meta! element 
capabie of exhibiting multivalent states and oxygen, including a! least one phase thai 
exhibits superconductivity at temperature greater than or equal to 26''K, a foeans 
temperature controller for capable of maintaining said composition at said temperature 
to exhibit said superconductivity and mmns a current source fof capable of passing an 



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electrica! superconducting current through said composition which exhibiting said 
superconductivity^ 

CLAIM 131 (Currently Amended) T-he--G«ml>in-ati0n--Gl--Glaiffi -1-§, 

A superconducting cQmbination. comprising: a superconductive oxide having a 
transition temperature greater than or equal to 26^K. 

a current source for capable of passing a superconducting eiectricai current through 
said composition while said composition is at a temperature greater than or equal to 
26° K and less than said transition temperature, and 

a temperature controller f or capabie of cooling said composition to a superconducting 
state at a temperature greater than or equal to 26''K; 

where said superconductive composition includes a multivalent transition metal oxygen. 
and at least one additionai element: 

where said additional element is a rare earth or Group NIB element. 

CLAiM 132 (Previously Presented) The combination of claim 12, where said 
composition inciudes a substantially perovskite superconducting phase, 

CLAIM 133 {Currently Amended) Tl^e-swpefcofiduct-mt-appam^^^ 

A superconducting apparatus com prising: a composition having a transition tern perature 
greater than or egual to 26" K said composition being a substituted Cu-oxide inciuding a 
superconducting phase having a structure wfiich is structurally substantially similar to 
the orthortiombic-tetragonai phase of said composition, a temperature controlier 
capabie of maintaining said composition at a temperature greater than or equal to said 
transition temperature to put said composition in a superconducting state: and a current 

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source capable of passing current through said compQsitiQn whiie in said 



superconducting state 



where said substituted Cu~oxide includes a rare earth or Group HI B element, 

CLAIM 134 (Previously Presented) The combination of claim 71, where said mixed 
copper oxide further includes a rare earth or Group !!! B element. 

CLAIIV! 135 (Currently Amended) A combination, comprising; 

a mixed copper oxide composition including an alkaline earth element (AE) and a rare 
earth or Group lit B element (RE), said composition having a substantiaily layered 
crystalline structure and multi-vaient oxidation states, said composition exhibiting a 
substantially zero resistance to the flow of electrical current therethrough when in a 
superconducting state at a temperature greater than or equai to 26''K, said mixed 
copper oxide having a superconducting onset temperature greater than or equal to IS^K 
and, 

eleetF«;al meaf>s a current source for capable of passing an electrical superconducting 
current through said composition when said composition exhibits substantially zero 
resistance at a temperature greater than or equal to 26"'K and less than said onset 
temperature. 

CLAIM 136 (Currently Amended) The combination of claim 77, where said crystalline 
structure is substantially perovskite. 

CLAIM 137 (Currently Amended) An apparatus comprising: 

a composition including a transition metal, a rare earth or Group \UB element, an 
aikaline earth element, and oxygen, where said composition is a mixed transition metal 



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oxide having a non-stoichimetric amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than or equa! to 26''K, 



maa-ns a temperature controlier for capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equa! to IQ^K, and less than 
said superconducting onset temperature, and 

meafts a current source f^r capable of passing an eSectricai current through said 
composition while said composition is in said superconducting state. 

CLAIM 138 (Currentiy Amended) The apparatus of ciaim 93, where said copp e r - 
transition oxide materia! exhibits a substantiaily layered crystailine structure. 

CLAIM 139 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 26"^ 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copfier- transition metal oxide 
compound having a substantially iayered perovskite crystal structure, the composition 
having a superconductor transition temperature Tc of greater than or equaS to 26''K; 

(b) means a temperature controiler for capable of maintaining the superconductor 
element at a temperature greater than or equal to 26''K and below the superconductor 
transition temperature Tc of the superconductive composition, and 

(c) ffleaos a current source fcjr capable of causing an electric current to fiow in the 
superconductor element , and 

(d) at least one e lem ent selected from the group consi sting of a first e lemeot group, a 
second element group and combinations thereof, wherein said first element group 

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comprises rare earth eiements. rare earth-iike eiements and Group lilB elements and 
said second eiement g rou p comprises alkaline earth eiements and Group HA elements 

CLAIM 140 (Currently Amended) A superconductive apparatus for conducting an 
electric cuirent essentially without resistive losses, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a substantially layered perovskite crystal structure, the copper-oxide compound 
including at least one rare-earth or Group 111 B element and at least one alkaline-earth 
element, the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range betvi^een an upper limit defined 
by a transition-onset temperature Tc and a lovs/er limit defined by an effectively-zero- 
bulk-resistivity intercept temperature T,=o, the transition-onset temperature Tc being 
greater than or equal to 26''K; 

(b) means a temperature controller for- capable of maintaining the superconductor 
element at a temperature belovi^ the effectively-zero-bulk- resistivity intercept 
temperature Tf=o of the superconductive composition: and 

(c) means a current source f«r capable of causing an electric current to flow in the 
superconductor element 

CLAIM 141 {Currently Amended) An apparatus comprising; a transition metal oxide 
having a phase therein which exhibits a superconducting state at a critical temperature 
greater than or equal to IB^K, 

a temperature controller capable of maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase, afids 



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a current source capable of passing an electrical sypeFcurrent through said transition 
metal oxide white it is in said superconducting state : and 

said transition metal oxide comorising at ieast one element selected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eSements, rare eartii-iike 
eiements and Group ii!B elements and said second element group comprises alkaline 
earth elements and Group iiA elements . 

CLAIM 142 (Previously Presented) The apparatus of claim 141, where said transition 
metal oxide is comprised of a transition metal capable of exhibiting multivalent states. 

CLAIM 143 (Previously Presented) The apparatus of claim 141, where said transition 
metal oxide is comprised of a Cu oxide, 

CLAIM 144 (Currently Amended) An apparatus comprising: 

a composition including a transition metal, a rare earth or rare earth-like element, an 
alkaline earth element, and oxygen, where said composition is a mixed transition meta! 
oxide having a non-stoichiometric amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than or equal to l&'K, 

a temperature controller capable of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 26°K. and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting stale. 

CLAIM 145 (Allowed) The apparatus of claim 144, where said transition metal is copper. 
CLAIM 146 (Currently Amended) An apparatus: 



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a composition exhibiting a superconductive state at a temperature greater than or equa! 
to 26<*K, 

a temperature controller capabie of maintaining said composition at a temperature 
greater than or equal to 26''K at which temperature said composition exhibits said 
superconducffve state, an4 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconductive state : and 

said composition comprising a transition metai, oxygen and at least one eiement 
seiected from the group consisting of a first element group, a second element group and 
combinations thereof, wherein said first eiement group comprises rare earth elements, 
rare earth-like elements and Group 1 1 IB elements and said second element group 
comprises alkaline earth eiements and Group IIA elements . 

CLAIM 147 (Currently Amended) The apparatus of ciaim 146, where said composition 
is eompfise^l-ola-metal-oxide iavered. 

CLAIM 148 (Currently Amended) The apparatus of ciaim 146, where said composition 
iS GGmpri-sed- of- a-transft+OR-fTiet-al-ox-ide comprises a perovskite-like structure 

CLAIM 149 {Currently Amended) A superconductive apparatus for causing eiectric 
current flow in a superconductive state at a temperature greater than or equal to 26''K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the composition having a superconductor 
transition temperature Tc of greater than or equal to 26°K; 



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(b) a temperature controller capable^ maintaining the superconductor eSement at a 
temperature greater than or equal to 26°K and below the superconductor transition 
temperature Tc of the superconductive composition; ai^d 

(c) a current source capable of causing an electric current to flow in the superconductor 
element; and 

(d) said superconductive composition comprising at least one element selected from the 
group consistinc) of a first element group, a second element group and combinations 
thereof, wherein said first element group comprises rare earth elements, rare earth-lii<e 
elements and Group iilB elements and said second element group comprises alkaline 
earth elements and Group ilA elements . 

CLAIM 1 60 (Currently Amended) ?1^^e--sypef€Qndu€ti v e--ap^afatos- a cGordingtoci a im- 
449-iawh-iGh 

A superconductive apparatus for causing electric current flow in a superconductive state 
at a temperature greater than or equal to 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the composition having a superconductor 
transition temperature T c of greater than or egual to 26''K: 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature greater than or egual to 26"K and below the superconductor transition 
temperature Te of the superconductive composition; 

(c) a current source capable of causing an electric current to flow in the superconductor 
element; and 

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(d )the copper-oxide compound of the superconductive composition includes at least 
one rare-earth or rare-earth-like element and at least one alkaline-earth element. 

CLAIM 151 (Allowed) The superconductive apparatus according to claim 150 in which 
the rare-earth or rare-earth-like element is lanthanum. 

CLAIM 152 (Allowed) The superconductive apparatus according to claim 150 in which 
the alkaline-earth element is barium. 

CLAIM 1 63 (Previously Presented) The superconductive apparatus according to claim 
149 in which the copper-oxide compound of the superconductive composition includes 
mixed vaient copper ions. 

CLAIM 1 54 (Previously Presented) The superconductive apparatus according to claim 

153 in which the copper-oxide compound includes at least one element in a 

nonstoichiometric atomic proportion, 

CLAIM 155 (Previously Presented) The superconductive apparatus according to claim 

1 54 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIIV! 156 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, compnsing; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the copper-oxide compound including at 
ieast one rare-earth or rare-earth-iike element and at least one alkaline-earth element, 
the composition having a superconductive/resistive-transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 



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bulk-resistivity intercept temperature Tp=o , the transition-onset temperature Tc being 
greater than or equal to 26°K; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature below the effect ively-zero-buik- resistivity intercept temperature Tp:.o of the 
superconductive composition; and 

(c) a current source capable of causing an eiectric current to i\aw in the superconductor 
eiement. 

CLAIM 167 (Ailowed) The superconductive apparatus according to claim 156 in whidi 
the rare-earth or rare-earth-like element is lanthanum. 

CLAIM 158 (Ailowed) The superconductive apparatus according to claim 156 in which 
the alkaline-earth element is barium, 

CLAiM 159 (Ailowed) The superconductive apparatus according to claim 166 in which 
the copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 

CLAIM 160 (Allowed) The superconductive apparatus according to claim 159 in which 
the copper-oxide compound includes at least one element in a nonstoichlometric atomic 
proportion, 

CLAIM 161 (Ailowed) The superconductive apparatus according to claim 160 in which 
oxygen is present in the copper-oxide compound in a nonstoichiometric atomic 
proportion. 

CLAIM 162 (Currently Amended) An apparatus comprising: copper oxide having a 
phase therein which exhibits a superconducting state at a critical femperafure greater 
than or equal to 26''K; 



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a temperature controlier capabie of maintaining the temperature of said materia! at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a current source capable of passing an electrical supercurrent through said copper 
oxide whiie it is in said superconducting state; 

said copper oxide includes at ieast one element selected from the group consisting of a 
Group I! A element, a rare earth element and a Group IN B element. 

CLAIM 163 (Currently Amended) An apparatus comprising: 

a composition comprising copper, oxygen and any element selected from the group 
consisting of a Group I! A element, a rare earth element and a Group III B element, 
where said composition is a mixed copper oxide having a non-stoichiometric amount of 
oxygen therein and exhibiting a superconducting state at a temperature greater than or 
equal to 26''K; 

a temperature controlier capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equal to IQ^K; and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting state. 

CLAIM 164 {Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or equal 
to 2Q^K 



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a temperature controlier cagabteof maintaining said composition at a temperature 
greater than or equal to 26°K at which temperature said composition exhibits said 
superconductive state; 

a current source capable of passing an electrical current tlirougli said composition while 
said composition is in said superconductive state; and 

said composition including a copper oxide and an element selected from tiie group 
consisting of Group 1 1 A element, a rare earth element and a Group IN B element. 

CLAIM 165 (Currently Amended) An apparatus for causing electric-current fiow in a 
superconductive state at a temperature greater than or equal to 26"^ comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a iayer-type perovs!<ite-like crystal structure, the composition having a superconductive 
transition temperature Tc of greater than or equal to 26°K, said superconductive 
composition includes at least one element selected from the group consisting of a 
Group !i A element, a rare earth element; and a Group NIB element; 

(b) a temperature controller capable of maintaining the superconductor eiement at a 
temperature greater than or equai to 26°K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
eiement. 

CLAIM 166 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a copper-oxide compound having 
a iayer-type perovs}<!te-l!ke crystal structure, the copper-oxide compound including at 
ieast one eiement selected from the group consisting of a Group li A element, a rare 
earth element and a Group HI B element, the composition tiaving a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower iimtt defined by an effectively~zero~bulk~resistivity intercept temperature 
Tp==o. the transition-onset temperature Tc being greater than or equa! to 26°K: 

(b) a temperature controlier capable of maintaining the superconductor eiement at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in tlie superconductor 
eiement. 

CLAIM 167 (Currently Amended) An apparatus comprising: 

a copper oxide having a phase therein which exhibits a superconducting state at a 
critical temperature greater than or equal to 26''K; 

a temperature controller capable of maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a current source capable of passing an electrical supercurrent through said copper 
oxide while it is in said superconducting state; 



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said copper oxide includes an element selected from the group consisting of a Group II 
A element and at least one element selected from the group consisting of a rare earth 
element and a Group 111 B element. 

CLAIM 168 (Currently Amended) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group 11 A element and at least one element selected from the 
group consisting of a rare earth element and a Group Hi B element, where said 
composition is a mixed copper oxide having a non-stoichiometric amount of oxygen 
therein and exhibiting a superconducting state at a temperature greater than or equal to 
26^K; 

a temperature controller capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 26''K; and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting state. 

CLAIM 169 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or equal 
to 26^K; 

a temperature controller capable of maintaining said composition at a temperature 
greater than or equal to IQ^K at which temperature said composition exhibits said 
superconductive state; 

a current source capable of passing an electrical current through said composition vi'hile 
said composition is in said superconductive state; and 



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said composition inciuding a copper oxide and at least one eiement seiected from the 
group consisting of Group I! A and at ieast one eiement selected from the group 
consisting of a rare earth eiement and a Group 11! B eiement, 

CLAIM 1 70 (Currently Amended) A superconductive apparatus for causing eiectric- 
current flow in a superconductive state at a temperature greater than or equal to 26"^ 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound having 
a iayer-type perovskite-like crystal structure, the composition having a superconductive 
transition temperature To of greater than or equal to said superconductive 
composition includes at least one element selected from the group consisting of a 
Group \l A element and at least one element selected from the group consisting of a 
rare earth element and a Group l!i B element; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature TcOf the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 171 {Currently Amended) A superconductive apparatus for conducting an 
electric current essentialiy without resistive losses, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovsl<ite-like crystal structure, the copper-oxide compound including at 
ieast one element selected from the group consisting of a Group !i A element and at 
least one element selected from the group consisting of a rare earth element and a 



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Group !!! B element, the composition having a superconductive/resistive transition 
defining a superconductive-resistive-transftion temperature range between an upper 
limit defined by a transition-onset temperature Tc and a lower iimit defined by an 
effective!y-zero~buik-resistivtty intercept temperature Tp=o , tiie transition-onset 
temperature Tc being greater than or equa! to 26''K; 

(b) a temperature controlier capable of maintaining the superconducfor element at a 
temperature below the effect ively~zero~bu Ik- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

eiement. 

CLAIM 172 (Currently Amended) An apparatus comprising: 

a transition metal oxide having a phase therein which exhibits a superconducting state 
at a critical temperature greater than or equal to 26°K; 

a temperature controller capable of maintaining the temperature of said materia! at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a current source capable of passing an electrical supercurrent through said copper 
oxide while it is in said superconducting state; 

said transitional metal oxide includes at least one element selected from the group 
consisting of a Group !l A element and at least one element selected from the group 
consisting of a rare earth element and a Group 111 B element. 

CLAIM 173 (Currently Amended) An apparatus comprising: 



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a composition indudtng a transition metal, oxygen and an element selected from the 
group consisting of a Group II A element and at least one element selected from the 
group consisting of a rare earth element and a Group 1118 element, where said 
composition Is a mixed transitional metal oxide formed from said transition metai and 
said oxygen, said mixed transition metal oxide having a non~stoichiometric amount of 
oxygen therein and exhibiting a superconducting state at a temperature greater than or 
equal to 26''K; 

a temperature controller capable of maintaining said composition in said 
superconducting state at a temperature greater than or equal to IQ^K; and 

a current source capable of passing an elecfrical current through said composition while 
said composition is in said superconducting state. 

CLAIM 174 (Currently Amended) An apparatus; 

forming a composition exhibiting a superconductive state at a temperature greater than 
or equal to 26°K; 

a temperature controller capable of maintaining said composition at a temperature 
greater than or equal to 26''K at which temperature said composition exhibits said 
superconductive state; 

a current source capable of passing an electrical current through said composition while 
said composition Is in said superconductive state; and 

said composition including a transitional metal oxide and at ieast one element selected 
from the group consisting of Group !! A element and at ieast one element selected from 
the group consisting of a rare earth element and a Group III B element. 



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CLAIM 175 (Currently Amended) A superconductive apparatus for causing eiectric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprisiog: 

(a) a superconductor elerment made of a superconductive cormposition, the 
superconductive composition consisting essentiaily of a transition metai oxide 
compound having a iayer-fype perovskite-like crystal structure, the composition having 
a superconductive transition temperature TcOf greater than or equai to 2Q^K, said 
superconductive composition inciudes an eiemeni selected from the group consisting of 
a Group I! A element and at least one eiement selected from the group consisting of a 
rare earth eiement and a Group III B element; 

(b) a temperature controller capable of maintaining the superconductor eiement at a 
temperature greater than or equai to 26" K and below the superconductor transition Tq of 

the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

eiement. 

CLAIM 176 (Currently Amended) A superconductive apparatus for conducting an 
eiectric current essentially without resistive losses, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a transition metai-oxide 
compound having a layer-type perovskite-lif^^e crystal structure, the transition metal- 
oxide compound including at least one eiement selected from the group consisting of a 
Group II A element and at least one element selected from the group consisting of a 
rare earth element and a Group ill B element the composition having a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 



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and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=o. the transition-onset temperature Tc being greater than or equa! to 26°K; 



(b) a temperature controlier capable of maintaining the superconductor eiement at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 177 (Currently Amended) An apparatus comprising: 

a copper oxide having a phase therein which exhibits a superconducting state at a 
critica! temperature greater than or equal to 26°K; 

a temperature controlier capabie of maintaining the temperature of said materia! at a 
temperature less tiian said critical temperature to produce said superconducting state in 
said phase; 

a current source capable of passing an electrical supercurrent through said copper 
oxide while it is in said superconducting state; 

said copper oxide includes at least one Group II A element, and at least one element 
selected from the group consisting of a rare earth element and a Group III B element, 

CLAIM 178 (Currently Amended) An apparatus comprising: 

a composition including copper, oxygen, a Group H A element and at least one element 
selected from the group consisting of a rare earth element and a Group !!l B element, 
where said composition is a mixed copper oxide having a non-stoichiometric amount of 



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oxygen therein and exhibiting a superconducting state at a temperature greater than or 
equal to 26''K; 

a temperature controlier capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equa! to IQ^K; and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting state. 

CLAIM 179 (Currently Amended) A structure comprising; 

a composition exhibiting a superconductive state at a temperature greater than or equai 
to 26'*K; 

a temperature controlier capabie of maintaining said composition at a temperature 
greater than or equal to 26°K at which temperature said composition exhibits said 
superconductive state; 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconductive state; and 

said composition including a copper oxide, a Group II A element, at least one element 
selected from the group consisting of a rare earth element and a Group III B element, 

CLAIM 180 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the composition having a superconductive 



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transition temperature Tc of greater than or equal to 26''K, said superconductive 
composition includes a Group II A element, and at least one element selected from the 
group consisting of a rare earth element and a Group HI 8 element; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature greater than or equai to 26''K and beiow the superconductor transition 
temperature Jq of the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 181 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the copper-oxide compound including 
Group I! A element, and at ieast one element selected from the group consisting of a 
rare earth element and a Group M! B element, the composition having a 
superconductive-resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature 
and a lower iimit defined by an effectively-zero-bulk-resistivity intercept temperature 
Jp^Q, the transition-onset temperature Tc being greater than or equal to 26''K; 

(b) a temperature controller capable of maintaininQ the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element 

CLAIM 182 (Currently Amended) An apparatus comprisingi a composition having a 
transition temperature greater than or equal to 26°K, the composition including a rare 



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earth or alkaline earth element, a transition meta! element capable of exhibiting 
multivalent states and oxygen, including at ieast one phase that exhibits 
superconductivity at temperature greater than or equal to 26° K, a temperature control ier 
capable of maintaining said composition at said temperature to exhibit said 
superconductivity and a current source capable of passing an electrical 
superconducting current through said composition with said phrase exhibiting said 
superconductivity. 

CLAIIV! 183 (Currently Amended) An apparatus comprising: an element capable of 
carrying a superconductive current comprising a superconducting transition metal oxide 
having a superconductive onset temperature greater than or equal to 26''K, a 
temperature controller capable of maintaining said superconducting transition meta! 
oxide at a temperature less than said superconducting onset temperature and a current 
source flowin^ a-sufiefconduGtifig Gurre^Uhefei ft, and said composition comprising at 
ieast one element selected from the group consisting of a first element group, a second 
element group and combinations thereof, wherein said first element group comprises 
rare earth elements, rare earth-like elements and Group illB elements and said second 
element group comprises alkaline earth elements and Group iiA elements . 

CLAIM 184 (Currently Amended) An apparatus comprising; an element capable of 
carrying a superconductive current comprising a superconducting copper oxide having a 
superconductive onset temperature greater than or equal to 26''K, a temperature 
controller capable of maintaining said superconducting copper oxide at a temperature 
less than said superconducting onset temperature and a current source flGwiRg-a- 
■s^peFGGn{j^Glif>q-Gyfref>t-4n-said- syfiei-€ef>d^^^^ and said superconducting 

copper oxide further comprising at least one element selected from the group consisting 
of a first element group, a second element group and combinations thereof, wherein 
said first element group comprises rare earth elements, rare earth-like elements and 
Group iiiB elements and said second element group comprises alkaline earth elements 
and Group iiA elements . 

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CLA!M 185 {Currentiy Amended) An apparatus comprising: an eiement capabie of 
carrying a superconductive current comprising a superconducting oxide composition 
tiaving a superconductive onset temperature greater than or equal to 26''K, a 
temperature controller capabie of maintaining said superconducting copper oxide at a 
temperature less ihan said superconducting onset temperature and a current source 
fiowiag-asyperGOt-^dyGtin-g-GuffeRt-therein, said composition comprising at ieast one 
each of rare earth, an alkaline earth, and copper. 

CLAIM 186 (Currentiy Amended) An apparatus comprising: an eiement capabie of 
carrying a superconductive current comprising a superconducting oxide composition 
having a superconductive onset temperature greater than or equal to 26''K, a 
temperature controller capabie of maintaining said superconducting copper oxide at a 
temperature less than said superconducting onset temperature and a current source 
fiowing-a-BuperGonduGting-etectri€al-G»rrent themfn, said composition comprising at 
ieast one each of a Group III B element, an aikaiine earth, and copper. 

CLAIM 187 (Currentiy Amended) An apparatus comprising: an eiement capabie of 
carrying a superconducting electrical current in a transition imetal oxide having a Tc 
greater than or equal to 26''K a^d^ a temperature controlier capable of maintaining said 
transition metal oxide at a temperature iess tiian said Tr , and said transition metal oxide 
comprising at least one element seiected from the group consisting of a first element 
group, a second eiement group and combinations thereof, wherein said first element 
group comprises rare earth elements, rare earth-li}<e elements and Group iliB elements 
and said second element group comprises aikaiine earth elements and Group ilA 
eiements . 

CLAIM 188 (Currentiy Amended) An apparatus comprising: a current source ftewin^a- 
sygefc-GR^yc-tinq-cyrfent-in, an eiement capabie of carrying a superconductive current 
comprising a copper oxide having a Tc greater than or equai to and a temperature 
controlier capable of maintaining said copper oxide at a temperature less than said Tc 
and said copper oxide comprising at ieast one eieiment selected from the group 

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consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements, rare earth-iike 
eiements and Group iMB elements and said second element group comprises aikaline 
earth elements and Group iiA elements 

CLA!M 189 {Currently Amended) An apparatus comprising: 

a composition of the formuia Balas-xCusOsta-vj: wherein x is from about 0.75 to about 1 
and y iS the oxygen deficiency resulting from annealing said composition at 
temperatures from about 540°C to about 950°C and for times of about 15 minutes to 
about 12 hours, said composition having a meta! oxide phase which exhibits a 
superconducting state at a criticai temperature greater than or equal to 26''K; 
a temperature controiier capabie of maintaining the temperature of said composition at 
a temperature less than said critical temperature to induce said superconducting state in 
said meta! oxide phase; and 

a current source capable of passing an electrical current through said composition while 
said metai oxide phase is in said superconducting state. 

CLAIM 190 (Currentiy Amended) An apparatus comprising; a current source fiowifig-a- 
■supeFGORGlyGlif^q -electFiGaj- cyFrefit -in - and an eiement capabie of carrying a 
superconductive current comprising a composition of matter having a Tc greater than or 
equal to 25^K said composition comprising at least one each of a Group !!! B element, 
an alkaline earth, and copper oxide and a temperature controiler capable of maintaining 
said composition of matter at a temperature iess than Tc. 

CLAiM 191 (Currentiy amended) An apparatus comprising_ a current source flewift§-~a~ 
supefc-GR^u€:-ting-eieGtf iGai--GuffeR-t--in and an eiement capabie of carrying a 
superconductive current comprisiiiq a composition of matter having a greater than or 
equal to 26°K, said composition comprising at least one each of a rare earth, aikaline 



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earth, and copper oxide and a temperature controller capable of maintaining said 
composition of matter at a temperature !ess than said Tc. 

CLAIM 192 (Currently Amended) An apparatus comprisingi. a current soyFce-ftew-in^-a-- 
syp e rGor^dyct i Ra e teGtrioa J Gurr e ot i n and an eiernent capable of carrying^^ a 
sypercondyctive current comprising a composition of matter having a To greater than or 
equal to 26''K, said composition comprising at least one each of a rare earth, and 
copper oxide and a temperature controller capable of maintaining said composition of 
matter at a temperature less than said Tc, 

CLAIM 193 (Currently Amended) An apparatus comprising: a current source f!owing- a- 
■&uperGGnGtoGlif>g-eleGtFiGal"Gurr9f}t-in and an element capable of carrying a 
superconductive current comprising a composition of matter having a Tc greater than or 
equal to 25^K carrying, said composition comprising at ieast one each of a Group II! B 
element, and copper oxide and a temperature controller capable of maintaining said 
composition of matter at a temperature less than said T^. 

CLAIM 194 (Currently Amended) An apparatus comprising: a current source f-teww^a- 
sypefc-on^yc-tiRg-e{ee-tficai--e-uffen-t--ii-^ and an element capable of carrying a 
superconductive current comprising a transition metal oxide comprising a T^; greater 
than or equal to 26'^'K and a temperature controlier capable of maintaining said transition 
metal oxide at a temperature iess than said Tc , said composition comprising at least one 
element selected from the group consisting of a first element group, a second element 
group and combinations thereof, wherein said first element group comprises rare earth 
eiements, rare earth-like eiements and Group 11 IB elements and said second element 
group comprises alkaline earth eieinents and Group HA elements 

CLAIM 195 (Currently Amended) An apparatus comprising: a current source flowiag- a- 
stfperGondyGting-eleetFieai-Gurrefit-in and an element capable of carrying a 
superconductive current comprising a copper oxide composition of matter comprising a 
Tc greater than or equa! to l&'K and a temperature controller capable of maintaining 



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said copper oxide composition of matter at a temperature less than said Tc , said copper 
oxide composition comprising at ieast one element seiected from the group consisting 
of a first element group, a second element group and combinations thereof, wherein 
said first eiement group comprises rare earth elements, rare earth-like elements and 
Group JiiB elements and said second element group comprises aikaiine earth elements 
and Group liA elements . 

CLAIM 196 (Currently Amended) An apparatus comprising: 

a composition indudtng a transition metal, a Group III B eiement, an alkaline earth 
eiement, and oxygen, where said composition is a mixed transition metal oxide having a 
non-stoichiometric amount of oxygen therein and exhibiting a superconducting state at a 
temperature greater than or equal to 26" K, 

a temperature controlier capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 2e°K, and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting state, 

CLAIM 197 (Allowed) The apparatus of ciaim 196, where said transition metai is copper, 

CLAIM 198 (Currently Amended) A superconductive apparatus for causing eiectric 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a substantially layered perovskite crystal structure, the composition having a 
superconductor transition temperature TcOf greater than or equal to 26°K; 



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(b) a temperature controller capable of maintaining the superconductor eiement a! a 
temperature greater than or equa! to 26''K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an eiectric current to flow in the superconductor 
eiement : and 

(d) the superconductive composition comprising at least one element selected from the 
group consistinc) of a first element group, a second element group and combinations 
thereof, wherein said first eiement group comprises rare earth elements, rare earth-like 
eiements and Group iilB elements and said second element group comprises aikaline 
earth elements and Group ilA elements. 

CLAIM 199 (Currently Amended) A superconductive apparatus for causing eiectric 
current flow in a superconductive state at a temperature greater than or equal to 26"K 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a substaiitialiy layered perovskite crystal structure, the composition having a 
superconductor transition temperature of greater than or equal to 26° K, 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature greater than or eguai to 26''K and beiow the superconductor transition 
temperature T c of the superconductive composition: 

(c) a current source capable of causing an electric current to flow in the superconductor 
eiement: and 

The su|^efoc!n<Su€tlve a|^parates aGG0rdtn§ tG clatm 198 in whfeh the copper-oxide 
compound of the superconductive composition includes at least one element selected 



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from the group consisting of a rare-eartii element, a Group II! B eiement and an 
aikaline-earth element. 

CLAIM 200 (Previously Presented) The superconductive apparatus according to claim 

199 in which the rare-eartii is lanthanum. 

CLAiM 201 (Previously Presented) The superconductive apparatus according to claim 
199 in which the alkaline-earth element is barium. 

CLAIM 202 (Previously Presented) The superconductive apparatus according to claim 
198 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 203 (Previously Presented) The superconductive apparatus according to claim 

202 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 204 (Previously Presented) The superconductive apparatus according to claim 

203 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAiM 205 {Currently Amended) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a substantially layered perovskite crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a rare-earth 
element, a Group HI B element and an alkaline-earth element, the composition having a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 



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and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=o. the transition-onset temperature Tc being greater than or equal to 26°K; 

(b) a temperature controlier capable of maintaining tiie superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flovs/ in the superconductor 
eiement. 

CLAIM 206 (Previously Presented) The superconductive apparatus according to claim 
205 in which said at least one element is lanthanum, 

CLAIM 207 (Previously Presented) The superconductive apparatus according to claim 
205 in which the alkaline-earth element is barium, 

CLAIM 208 (Previously Presented) The superconductive apparatus according to claim 
205 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 209 (Previously Presented) The superconductive apparatus according to claim 

208 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 210 (Previously Presented) The superconductive apparatus according to claim 

209 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion, 

CLAIM 21 1 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a copper-oxide compound having 
a substantialiy layered perovskite crystal structure, the composition liaviog a 
superconductive transition temperature Tc of greater than or equal to 26^K, said 
superconductive composition includes at least one element selected from the group 
consisting of a Group ii A element, a rare earth element; and a Group III B element; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature greater than or equai to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

element. 

CLAIM 212 (Currently Amended) A superconductive apparatus for conducting an 

eiectric cufxent essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a substantially layered perovskite crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a Group il A 

element, a rare earth element and a Group III B element, the composition having a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition -on set temperature To 
and a lov^er limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=o, the transition-onset temperature Tc being greater than or equal to 26''K; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=oOf the 
superconductive composition; and 



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(c) a current source capable of causing an electric current to flow in the superconductor 
eiement, 

CLAIM 213 (Currently Amended) A superconductive apparatus for causing eiectrsc- 
current flow in a superconductive state a! a temperature greater than or equal to 26°K, 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaiiy of a copper-oxide compound having 
a substantialiy iayered perovskite crystal structure, the composition having a 
superconductive transition temperature of greater than or equal to 26'' K, said 
superconductive composition includes a Group i! A eiement and at least one eiement 
selected from the group consisting of a rare earth eiement and a Group ii! B eiement; 

(b) a temperature controlier capable of maintaining the superconductor eiement at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
eiement. 

CLAIM 214 (A Currently Amended) A superconductive apparatus for conducting an 
eiectric current essentially without resistive losses, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaiiy of a copper-oxide compound having 
a substantialiy layered perovskite crystal structure, the copper-oxide compound 
including a Group II A element and at least one element selected from the group 
consisting of a rare earth eiement and a Group III B element, the composition having a 
superconductive/resistive transition defining a superconductive-resistive-transition 
temperature range betvi^een an upper limit defined by a transition-onset temperature Tc 



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and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=o. the transition-onset temperature Tc being greater than or equal to 2&°K: 



(b) a temperature controlier capable of maintaining tiie superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp^oof tlie 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 215 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal oxide 
compound having a substantially layered perovskite crystal structure, the composition 
having a superconductive transition temperature Tc of greater than or equal to 26''K, 
said superconductive composition includes a Group I! A element and at least one 
element selected from the group consisting of a rare earth element and a Group Hi B 
element; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition Tc of 
the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

element, 

CLAIM 216 (A Currently Amended) A superconductive apparatus for conducting an 
eiectric current essentially without resistive losses, comphsing: 



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(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaiiy of a transition metaS-oxide 
compound having a substantially layered perovskite crystai structure, the transition 
metai-oxide compound including a Group I! A element and at least one element 
selected from the group consisting of a rare earth element and a Group Hi B element, 
the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range betvi'een an upper limit defined 
by a transition-onset temperature Tc and a \ov-/er limit defined by an effectiveiy-zero- 
bulk-resistivity intercept temperature Tp^o, the transition-onset temperature!,; being 
greater than or equal to 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectively-zero-buik-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

element. 

CLAIM 217 (Previously Presented) An apparatus according to claim 182 wherein said 
composition comprises a substantially layered perovskite crystal structure. 

CLAIM 218 {Currently Amended) An apparatus according to claim 183 wherein said 
superconducting Ifanststef transition metal oxide comprises a substantially layered 
perovskite crystal structure. 

CLAIM 219 (Previously Presented) An apparatus according to claim 184 wherein said 
superconducting copper oxide comprises a substantially layered perovskite crystal 

structure, 

CLAIM 220 (Allowed) An apparatus according to claim 185 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 

structure. 



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CLAIM 221 (ASIowed) An apparatus according to ciaim 186 wherein said 
superconducting oxide composition comprises a substantialiy layered perovskite crystal 
structure. 

CLAIM 222 {Currently Amended) An apparatus according to claim 1 87 wherein said 
fr ans i s t of transition metal oxide comprises a substantially layered perovskite crysta! 
structure. 

CLAIM 223 (Previously Presented) An apparatus according to claim 188 wherein said 
copper oxide comprises a substantialiy layered perovskite crysta! structure. 

CLAIM 224 (Allowed) An apparatus according to claim 1 89 wherein said composition 
comprises a substantially layered perovskite crystal structure. 

CLAIM 225 (Ailowed) An apparatus according to claim 1 90 wiierein said composition of 
matter comprises a substantially layered perovskite crystal structure. 

CLAIM 226 (Allowed) An apparatus according to claim 1 91 wherein said composition of 
matter comprises substantially layered perovskite crystal structure. 

CLAIM 227 (Previously Presented) An apparatus according to claim 192 wherein said 
composition of matter comprises a substantially layered perovskite crystal structure. 

CLAIM 228 (Previously Presented) An apparatus according to claim 193 wherein said 
composition of matter comprises substantially layered perovskite crystal structure. 

CLAIM 229 {Currently Amended) An apparatus according to claim 1 94 wherein said 
*f&Rs+stsf transition metai oxide comprises substantialiy layered perovskite crystal 
structure. 



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CLAIM 230 (Ailowed) An apparatus according to claim 1 96 wherein said copper oxide 
composition comprises substantialiy layered perovskite crystal structure. 



CLAIM 231 (Currently Amended) An apparatus comprising: a composition of matter 
having a Tc greater than or equal to 26°K capable of carrying a superconducting 
current, said composition comprising at least one each of a rare earth, an alkaline earth, 
and copper oxide. 

CLAIIV! 232 (Currently Amended) An apparatus comprising: 

a transition metal oxide comprising a phase therein which exhibits a superconducting 
state at a critical temperature greater than or equal to 

a temperature controller lof capable of maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase, a«d 

a source capable of providing ;an electrical supefcurrent through said transition metal 
oxide while it is in said superconducting state, and 

said transition metal oxide comprising at least one element selected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first element group comprises rare earth elements, rare earth-like 
elements and Group iMB elements and said second element group comprises alkaline 
earth elements and Group ilA elements 

CLAIM 233 (Previously Presented) An apparatus according to claim 232, where said 
transition metal oxide is comprised of a transition metal capable of exhibiting multivalent 
states. 



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CLAIM 234 (Previously Presented) An apparatus according to claim 232, where said 
transition metal oxide is comprised of a Cu oxide, 

CLAIM 235 (Currently Amended) An apparatus comprising: 

a composition inciuding a transition metai, a rare earth or rare earth-like element, an 
alkaline earth element, and oxygen, where said composition is a mixed transition meta! 
oxide comprising a non-stoichiometric amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than or equai to 26°K, 

a temperature controiler for capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equai to l&'K, and 

a source capable of providing an eiectrica! current through said composition while said 
composition is in said superconducting state, 

CLAIM 236 (Ailowed) An apparatus according to claim 235, where said transition meta! 
is copper. 

CLAiM 237 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or equai 
to 26°K, a temperature controller for capable of maintaining said composition at a 
temperature greater than or equai to 26''K at which temperature said composition 
exhibits said superconductive state, afid 

a source capable of providing an eiectrica! current through said composition whi!e said 
composition is in said superconductive stat e, and 

said composition comprising a transition meta!, oxygen and at least one element 
selected from the group consisting of a first eiement group, a second eiement group and 

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combinations thereof, wherein said first eiement group comprises rare earth eiements, 
rare earth-like eiements and Group \\\B elements and said second element group 
comprises alkaline earth eiements and Group I! A eiements . 

CLA!M 238 (Currently Amended) An apparatus according to claim 237, where said 
composition is comprised of a metal -oxide- structure seiected from the group consisting 
of a perovskite structure, a substantiaily perovskite structure, a perovskite-iike 
structure, a perovskite type structure, a structure comprising a perovskite 
characteristic, and a perovskite related structure, -. 

CLAiM 239 (Currently Amended) An apparatus according to claim 238, where said 
composition is comprised of a transi-ti-Qn- ffi-etal oxi^e- structure sleeted from the group 
consisting of a layered structure, a layered cp/stailine structure, a substantiaily layered 
structure, a substantialiy iayered crystaliine structure, a layered-iike structure, a layered- 
type structure, and a layered characteristic . 

CLAIM 240 (Currently Amended) An apparatus capable of carrying etectric current f!ow 
in a superconductive state at a temperature greater than or equal to 26"^, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-iike crystal structure, the composition comprising a 
superconductor transition temperature Tc of greater than or equal to 26'^K; 

(b) a temperature controlier for capable of maintaining the superconductor element at a 
teinperature greater than or equal to 26"K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an eiectric current fo flow in the superconductor 
eiement , and 



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(d) said superconductive composition at ieast one element selected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements. rare earth-iike 
eiements and Group iilB elements and said second element group comprises alkaline 
earth elements and Group iiA elements 

CLAilVl 241 (Currently Amended) AF^-appafat«s--a€cor4in9-te--Glaim--240-ifi--wl^icl^ 

An apparatus capable of carrying electric current fiow in a superconductive state at a 

temperature greater than or equal to 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-iike cn/stal structure, the composition comprising a 
superconductor transition temperature J r. of greater than or equal to 26"K: 

(b) a temperature controller capable of maintaining the superconductor eiement at a 
temperature greater than or equal to 26" K and below the superconductor transition 
temperature of the superconductive composition: 

(c) a source capable of providing an electric current to flow in the superconductor 
element, and 

(d) the copper-oxide compound of the superconductive composition includes at ieast 
one rare-earth or rare-earth-like element and a! ieast one alkaline-earth element. 

CLAIM 242 (Allovi/ed) An apparatus according to claim 241 in vs/hich the rare-earth or 
rare-earth-like element is lanthanum. 

CLAIM 243 (Ailovi/ed) An apparatus according to claim 241 in which the alkaline-earth 
element is barium. 



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CLAIM 244 (Previously Presented) An apparatus according to claim 240 in which the 
copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 

CLAIM 245 (Previously Presented) An apparatus according to claim 244 in which the 
copper-oxide compound includes at least one element in a nonsfoichiometric atomic 
proportion. 

CLAIM 246 (Previously Presented) An apparatus according to claim 245 in which 
oxygen is present in the copper-oxide compound in a nonsloichiometric atomic 
proportion, 

CLAIM 247 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-iike crystal structure, the copper-oxide compound 
including at least one rare-eartii or ra re-earth -i ike element and at least one ali^aline- 
earth element, tiie composition comprising a superconductive/resistive transition 
defining a superconductive/resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature To and a lower limit defined by an 
effectiveiy-zero-bulk-resistivity intercept temperature Tp:ro , tiie transition-onset 
temperature Tc being greater than or equal to 

(b) a temperature controller fof capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 



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(c) a source capable of providing an electric current to flow in the superconductor 
eiement, 

CLAIM 248 (Ailowed) An apparatus according to claim 247 in which the rare-earth or 
rare-earth-like eiement is ianthanum. 

CLAIM 249 (Ailowed) An apparatus according to claim 247 in which the alkaline-earth 
element is barium. 

CLAIM 250 (Allowed) An apparatus according to claim 247 in which the copper-oxide 
compound of the superconductive composition includes mixed valent copper ions, 

CLAIM 251 (Ailowed) An apparatus according to claim 250 in which the copper-oxide 
compound includes at least one element in a nonstoichiometric atomic proportion. 

CLAIM 252 (Ailowed) An apparatus according to claim 251 in which oxygen is present 
in the copper-oxide compound in a nonstoichiometric atomic proportion. 

CLAIM 253 (Currently Amended) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature greater than or equal to 26°K; 

a temperature controller for capable of maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a source capable of providing an electrica! sypercurrent through said copper oxide while 
it is in said superconducting state; 



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said copper oxide includes at ieast one element selected from the group consisting of a 
Group II A element, a rare earth element and a Group III 8 element. 

CLAIM 254 (Currently Amended) An apparatus comprising: 

a composition inciuding copper, oxygen and an element selected from the group 
consisting of a Group M A element, a rare earth element and a Group III B element, 
where said composition is a mixed copper oxide comprising a non~stoichiometric 
amount of oxygen therein and exhibiting a superconducting state at a temperature 
greater than or equal to 

a temperature controller for capable of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 26°K; and 

a source capable of providing an electrica! current through said composition whiie said 
composition is in said superconducting state. 

CLA!M 255 (Currently Amended) An apparatus coiTiprising: 

a composition exhibiting a superconductive state at a temperature greater than or equal 
to 26°K; 

a temperature controller for capable of maintaining said composition at a temperature 
greater than or equal to 26''K at which temperature said composition exhibits said 
superconductive state; 

a source capable of providing an electrica! current through said composition while said 
composition is in said superconductive state; and 

said composition including a copper oxide and an element selected from the group 
consisting of Group II A element, a rare earth element and a Group ill B element. 



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CLAIM 256 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconducfive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductive transition temperature Tc of greater than or equal to 2Q°K, said 
superconductive composition indudes at least one element selected from the group 
consisting of a Group II A element, a rare earth element; and a Group III B element; 

(b) a temperature controller fm capable of maintaining the superconductor element at a 
temperature greater than or equal to 26° K and below the superconductor transition 

temperature Tc of the superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 

element. 

CLAIM 257 (Currently Amended) An apparatus capable of carrying an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 

superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-iike crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a Group II A 
element, a rare earth element and a Group III B element, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition -on set temperature To 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=0: the transition-onset temperature Tc being greater than or equal to 26''K; 



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(b) a temperature controlier fof capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
supercor)ductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
element. 

CLAIIV! 258 (Currently Amended) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
criticai temperature greater than or equal to 26°K; 

a temperature controiler for capabie of maintaining the temperature of said materia! at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a source capable of providing an eiectrica! sypercurrent through said copper oxide v^^hile 
it is in said superconducting state; 

said copper oxide includes at least one element selected from the group consisting of a 
Group I! A element and at ieast one element selected from the group consisting of a 
rare earth element and a Group l!l B element. 

CLAIM 259 {Currently Amended) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group II A element and at least one element selected from the 
group consisting of a rare earth element and a Group ill B element, where said 
composition is a mixed copper oxide compnsing a non-stoichiometric amount of oxygen 



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therein and exhibiting a superconducting state at a temperature greater than or equa! to 



a temperature control ier capabie of for maintaining said composition in said 
superconducting state at a temperature greater tlian or equa! to l&^K; and 

a source capable of providing an eiectricai current through said composition while said 
composition ts in said superconducting state. 

CLAIM 260 (Currently Amended) An apparatus comprising: 

a composition exiiibiting a superconductive state at a temperature greater tlian or equal 
to 26^K; 

a temperature controller capabie of for maintaining said composition at a temperature 
greater than or equal to 26" K at which temperature said composition exhibits said 
superconductive state; 

a source capable of providing an electrical current through said composition vi^hile said 
composition is in said superconductive state; and 

said composition including a copper oxide and at least one element selected from the 
group consisting of Group II A and at least one element selected from the group 
consisting of a rare earth element and a Group 111 B element. 

CLAIM 261 (Currently Amended) An apparatus capabie of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 



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comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductive transition temperature Tc of greater than or equal to 26''K. said 
superconductive composition includes at least one element selected from the group 
consisting of a Group I! A element and at least one element selected from the group 
consisting of a rare earth element and a Group 111 B element; 

(b) a temperature controller capable of for maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providin c j an electric current to flow in the superconductor 

element. 

CLAIM 262 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-iike crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a Group li A 
element and at least one element selected from the group consisting of a rare earth 
element and a Group HI B element, the composition comprising a 
superconductive/resistive transition defining a superconductive-resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=o, the transition-onset temperature Tc being greater than or equal to 26*^K; 

(b) a temperature controller fof- capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 



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(c) a source capable of providing an electric current to flow in the superconductor 
eiement, 

CLAIM 263 (Currently Amended) An apparatus comprising: 

a transition metal oxide comprising a phase therein wfiicfi exhibits a superconducting 
state at a critica! temperature greater than or equal to 26'^K; 

a temperature controiler Im capabie of maintaining the temperature of said materia! at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a source capable of providing an eiectricai supercurrent through said transition metai 
oxide whiie it is in said superconducting state; 

said transitional metal oxide inciudes at least one element selected froiTi the group 
consisting of a Group !! A element and at iest one eiement selected from the group 
consisting of a rare earth element and a Group III B eieiTient 

CLAIMS 264 (Currently Amended) An apparatus comprising: 

a composition including a traiisition metal, oxygen and aii element selected from the 
group consisting of at least one Group !! A element and at least one eiement selected 
from the group consisting of a rare earth element and a Group ii! B element, where said 
composition is a mixed transitional metal oxide formed from said transition metal and 
said oxygen, said mixed transition metal oxide comprising a non-stoichiometric ainount 
of oxygen therein and exhibiting a superconducting state at a temperature greater than 
or equal to 26''K; 

a temperature controller f&r capable of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 26°K; and 



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a source capable of providing an etectrica! current through said composition while said 
composition is in said superconducting state. 

CLA!M 265 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or equai 
to 26^K; 

a temperature controiler Im capabie of maintaining said composition at a temperature 
greater than or equal to 26''K at which temperature said composition exhibits said 
superconductive state; 

a source capable of providing an eiectricai current through said composition while said 
composition is in said superconductive state; and 

said composition including a transitional metal oxide and at least one element selected 
from the group consisting of Group 11 A element and at least one element selected from 
the group consisting of a rare earth element and a Group ill B element, 

CLAIM 266 {Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equai to 26°K, 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metai oxide 
compound comprising a layer-type perovskite-like crystal structure, the composition 
comprising a superconductive transition temperature Tc of greater than or equal to l&'K, 
said superconductive composition includes at least one element selected from the 
group consisting of a Group II A element and at least one element selected from the 
group consisting of a rare earth element and a Group 1118 element; 



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(b) a temperature controlier fof capable of maintaining the superconductor element at a 
temperature greater than or equal to 26°K and below the superconductor transition To of 
the superconductive composition; and 

(c) a source of an electric current to fiow in the superconductor element. 

CLAilVl 267 (Currency Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metai-oxide 
compound comprising a iayer-type perovskite-like crystal structure, the transition metai- 
oxide compound including at least one element selected from the group consisting of a 
Group II A element and at least one element selected from the group consisting of a 
rare earth element and a Group !!! B element, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
teimperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=0: the transition-onset temperature Jq being greater than or equal to 26'^K; 

(b) a temperature controlier for capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp^o of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 
CLAIM 268 {Currently Amended) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature greater than or equal to 26°K; 



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a temperature controiler for capabie of maintafning the temperature of said materia! at a 
temperature less than said critical temperature to produce said superconducting state in 
said phase; 

a source capable of providincjfe r an eiectrica! supefcurrent through said copper oxide 
while it is m said superconducting state; 

said copper oxide includes at least one eleiTient selected from group consisting of a 
Group ii A element, at least one element selected from the group consisting of a rare 
earth element and at least one elemeiit selected from the group consistiiig of a Group 11! 
B element, 

CLAJy 269 (Currently Amended) An apparatus comprising; 

a composition inciuding copper, oxygen and an element selected from the group 
consisting of at least one Group il A element and at ieast one element selected from the 
group consisting of a rare earth element at least one element selected from the group 
consisting of a Group il! B element, where said composition is a mixed copper oxide 
comprising a noi>stOichiometric amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than or equa! to 26°K: 

a temperature controiler for- caoabie of maintaining said composition in said 
superconducting state at a temperature greater than or equa! to and 

a source capable of passing an electrical current through said composition while said 
composition is in said superconducting state. 

CLAIM 270 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or equal 
to 26'K; 



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a temperature controiler for capabie of maintaining said composition at a temperature 
greater than or equal to 26°K at which temperature said composition exhibits said 
superconductive state; 

a source capable of providing an eSectricai current through said composition while said 
composition is in said superconductive state; and 

said composition including a copper oxide and at least one eiement selected from the 
group consisting of Group I! A element, at least one element selected from the group 
consisting of a rare earth element and at least one element selected from the group 
consisting of a Group III B element. 

CLAIM 271 (Currently Amended) An apparatus for causing an electric-current flow in a 
superconductive state at a temperature greater than or equal to 26"K, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovs kite-like crystal structure, the composition comprising a 
superconductive transition temperature Tc of greater than or equal to 26''^K, said 
superconductive composition includes at least one element selected from the group 
consisting of a Group II A element, at least one element selected from the group 
consisting of a rare earth element and at least one element selected from the group 
consisting of a Group III B elemeiit; 

(b) a temperature controiler fof capabie of maintaining the superconductor element at a 
temperature greater than or equal to 26°K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providinq an electric current to flow in the superconductor 

element. 



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CLAIM 272 (Currently Amended) An apparatus for conducting an electric current 
esseotiaily without resistive iosses, comprising: 

(a) a superconductor elerment made of a superconductive cormposition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a layer-fype perovskite-iike crystal stmcture, the copper-oxide compound 
inciuding at least one element selected from the group consisting of a group II A 
element, at least one element selected from the group consisting of a rare earth 
element and at least one element selected from the group consisting of a Group HI B 
element, the composition comprising a superconductive-resistive transition temperature 
defining a superconductive/resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature Tc and a iovs/er limit defined by an 
effectively-zero-bulk-resistivity intercept temperature Tp=o, the transition-onset 
temperature Tc being greater than or equal to 26''K; 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 
element. 

CLAIM 273 {Currently Amended) An apparatus comprising; a composition comprising a 
transition temperature greater than or equal to 26"K, the composition including a rare 
earth or alkaline earth element, a transition metal element capable of exhibiting 
multivalent states and oxygen, including at least one phase that exhibits 
superconductivity at temperature greater than or equal to 26'% a temperature controller 
fep capable of maintaining said composition at said temperature to exhibit said 
superconductivity and a source of an electrical superconducting current through said 
composition with said phrase exhibiting said superconductivity. 



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CLAIM 274 (Currently Amended) An apparatus comprising, providing a superconducting 
transition metal oxide comprising a superconductive onset temperature greater tinan or 
equai to 26"K, a temperature controiSer fo-r capable of maintaining said superconducting 
transition metal oxide at a temperature less than said superconducting onset 
temperature and a source of a superconducting current therein said superconductive 
transition metal oxide comprising at least one element seiected from the group 
consisting of a first eiement group, a second element group and combinations thereof, 
wherein said first eiement group comprises rare earth eiements, rare earth-iike 
eiements and Group IMB elements and said second element group comprises aikaline 
earth eiements and Group ilA elements . 

CLA!M 275 {Currently Amended) An apparatus comprising; a superconducting copper 
oxide comprising a superconductive onset temperature greater than or equai to 26'' K a 
temperature controiler for capable of maintaining said superconducting copper oxide at 
a temperature less than said superconducting onset temperature and a source of a 
superconducting current in said superconducting copper oxide , said superconductive 
copper oxide comprising at least one element seiected from the group consisting of a 
first eiement group, a second eiement group and combinations thereof, wherein said 
first eiement group comprises rare earth eiements. rare earth-lil<e eiements and Group 
11 IB eiements and said second element group comprises ail<aline earth elements and 
Group HA elements . 

CLAIM 276 {Currently Amended) An apparatus comprising, a superconducting oxide 
composition comprising a superconductive onset temperature greater than or equal to 
26"K , a temperature controiier for capable of maintaining said superconducting copper 
oxide at a temperature less than said superconducting onset temperature and a source 
of a superconducting current therein, said composition comprising at ieast one each of 
rare earth, an alkaline earth, and copper. 



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CLA!M 277 {Currentiy Amended) An apparatus comprising: a superconducting oxide 
composition comprising a superconductive onset temperature greater than or equai to 
26'' K, a temperature control ier for for capabie of maintaining said superconducting 
copper oxide at a temperature iess than said superconducting onset temperature and a 
source of a superconducting electrical current therein, said composition comprising at 
ieast one each of a Group III B element, an aikaiine earth, and copper. 

CLAilVl 278 (Currentiy Amended) An apparatus comprising: a source of a 
superconducting eiectricai current in a transition metai oxide comprising a Tc greater 
than or equa! to 26''K and a temperature controiier for capabie of maintaining said 
transition metai oxide at a temperature iess than said Jc . said transition metai oxide 
comprising at least one element seiected from the group consisting of a first element 
group, a second eiement group and combinations thereof, wherein said first element 
group comprises rare earth elements, rare earth-like eiements and Group iliB elements 
and said second element group comprises aikaiine earth elements and Group iiA 
eiements . 

CLAIM 279 (Currently Amended) An apparatus comprising: a source of a 
superconducting current in a copper oxide comprising a Tc greater than or equal to 26°K 
and a temperature controiier f-of capabie of maintaining said copper oxide at a 
temperature less than said Tc , said copper oxide comprising at least one eiement 
seiected from the group consisting of a first eiement group, a second eiement group and 
combinations thereof, wherein said first eiement group comprises rare earth eiements, 
rare earth-like eiements and Group iilB elemeiits and said second element group 
comprises alkaline earth eiements and Group liA eiements . 

CLAIM 280 (Currently Amended) An apparatus comprising: 

a composition of the formula BaxLax.g, CusOy, wherein x is from about 0.75 fo about 1 
and y is the oxygen deficiency resulting from annealing said composition at 
temperatures from about 540°C to about 950°C and for times of about 15 minutes to 



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about 12 hours, said composition comprising a metal oxide phase which exhibits a 
superconducting state at a chtica! temperature greater than or equal to 2&°K: 



a temperature controiler for capabie of maintaining the temperature of said composition 
at a temperature less than said criticai temperature to induce said superconducting 
state in said metal oxide phase; and 

a source capable of providing an eiectricai current through said composition v-/h\\e said 
metal oxide phase is in said superconducting state. 

CLAiM 281 (Currentiy Amended) An apparatus comprising: a source of a 
superconducting eiectrica! current in a composition of matter comprising a Tc greater 
than or equai to 26°K said composition comprising at least one each of a Hi B element, 
an alkaline earth, and copper oxide and a temperature controiler fef capable of 
maintaining said composition of matter at a temperature less than Tc. 

CLAilVl 282 (Currentiy Amended) An apparatus comprising;, a source of a 
superconducting electrical current in a composition of matter comprising a Tc greater 
than or equal to 26'^K, said composition comprising at least one each of a rare earth, 
a!f<aiine earth, and copper oxide and a temperature controller for lor capabie of 
maintaining said composition of matter at a temperature less than said Tc. 

CLAIM 283 {Currently Amended) An apparatus comprising: a source of a 
superconducting electricai current in a composition of matter comprising a Tc greater 
than or equal to 26'^'K, said composition comprising at least one each of a rare earth, 
and copper oxide and a temperature controller fef capable of maintaining said 
composition of matter at a temperature iess than said Tc. 

CLAIM 284 (Currently Amended) An apparatus comprising; a source of a 
superconducting electrical current in a composition of matter comprising a Tc greater 
than or equai to 2B°K carrying, said composition comprising at least one each of a IN B 



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element, and copper oxide and a temperature controller lor capable of maintaining said 
composition of matter at a temperature !ess than said Tc. 

CLAIM 285 (Currently Amended) An apparatus comprisingi. a source of a 
superconducting electricai current in a transition metal oxide comprising a Tc greater 
than or equa! to and a temperature controller for- capable of maintaining said 
transition metal oxide at a temperature less tiian said Tf; . said transition mental oxide 
comprising at least one element selected from the group consisting of a first element 
group, a second element group and combinations thereof, wherein said first element 
group comprises rare earth elements, rare earth-li}<e elements and Group iliB elements 
and said second element group comprises alkaline earth elements and Group ilA 
elements . 

CLAiiVI 286 (Currently Amended) An apparatus comprising, a source of a 
superconducting electrical current in a copper oxide composition of matter comprising a 
Tc greater than or equa! to and a temperature controller f^r capable of maintaining 
said copper oxide composition of matter at a temperature less than said T^ , said copper 
oxide comprising at least one element selected from the group consisting of a first 
element group, a second element group and combinations thereof, wherein said first 
element group comprises rare earth elements, rare earth-like elements and Group iiiB 
elements and said second element group comprises alkaline earth elements and Group 
HA elements. 

CLAIM 287 (Currently Amended) An apparatus comprising: 

a composition including a transition metal, a group HIB element, an alkaline earth 
element, and oxygen, where said composition is a mixed transition metal oxide 
comprising a noi>stOichiometric amouiit of oxygen therein and exhibiting a 
superconducting state at a temperature greater than or equa! to 26°K, 



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a temperature controller for capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equa! to 26''K. and 



a source capable of of providing an electrical current through said composition while 
said composition is in said superconducting state. 

CLAiM 288 (Ailowed) An apparatus according to claim 287, where said transition metai 
is copper. 

CLAIM 289 (Currently Amended) An apparatus for causing eiectric current flow in a 
superconductive state at a temperature greater than or equal to 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the composition 
comprising a superconductor transition temperature To of greater than or equal to 26°K; 

b) a temperature controller for capable of maintaining the superconductor element at a 
temperature greater than or equal to and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source of an electric current to flovi^ in the superconductor elemen t, and 

(d) said superconductive composition comprising at least one element selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first element group comprises rare earth elements, rare earth-like 
elements and Group MiB elements and said second element group comprises aikaiine 
earth elements and Group ilA elements 

CLAIM 290 (Currently Amended) An a^aratMS--a€G©F4ii^4©-©la^^^^ 
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An apparatus for causing electric current flow in a superconductive state at a 
temperature greater than or equai to 26''K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a substantially iayered perovskite crystal structure, the composition 
comprising a superconductor transition temperature T c of greater than or eguai to 26''K: 

b) a temperature controiler capable of maintaining the superconductor element at a 
temperature greater ttian or equal to 26''K and below the superconductor transition 
temperature T c of the superconductive composition: 

(c) a source capable of providing an electric current to flow in the superconductor 
element, and 

the copper-oxide compound of the superconductive composition includes at least one 
element selected from the group consisting of a rare-earth element and a Group IN B 
element and at least one alkaline-earth element, 

CLAiM 291 (Previously Presented) An apparatus according to claim 290 in which the 
rare-earth or element is lanthanum. 

CLAIM 292 (Previously Presented) An apparatus according to claim 290 in which the 
aikaline-earth element is barium. 

CLAIM 293 (Previously Presented) An apparatus according to claim 289 tn which the 
copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 



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CLAIM 294 (Previously Presented) An apparatus according to claim 293 in which the 
copper-oxide compound includes at least one element in a nonstoichiometric atomic 
proportion. 

CLAIM 295 (Previously Presented) An apparatus according to claim 294 in vi/hich 
oxygen is present in the copper-oxide compound in a nonstoichiometric atomic 
proportion. 

CLAIM 296 (Currently Amended) An apparatus for conducting an electric current 
essentiaily without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a substantialiy layered perovskite crystal structure, tiie copper-oxide 
compound including at least one element selected from the group consisting of a rare- 
earth element and a Group lil B element and at least one alkaline-earth element, the 
composition comprising a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=0: the transition-onset temperature Tc being 
greater than or equal to 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement 

CLAIM 297 (Allowed) An apparatus according to claim 296 in which said at least one 
eiement is lanthanum. 



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CLAIM 298 (ASIowed) An apparatus according to ciaim 296 in which the alkaiine-earth 
eiement is barium. 

CLAJy 299 (Allowed) An apparatus according to claim 296 in which the copper-oxide 
compound of the superconductive composition includes mixed vaient copper ions. 

CLAIM 300 (Aiiowed) An apparatus according to ciaim 299 in which the copper-oxide 
compound includes at ieast one eiement in a nonstoichiometric atomic proportion. 

CLAiM 301 (Aiiowed) An apparatus according to ciaim 300 in which oxygen iS present 
in the copper-oxide compound in a nonstoichiometric atomic proportion, 

CLAiiVI 302 (Currently Amended) An apparatus for causing eiectric-current fiow in a 
superconductive state at a temperature greater than or equal to comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a substantialiy layered perovskite crystal structure, the composition 
comprising a superconductive transition temperature T,.- of greater than or equai to 26'' K, 
said superconductive composition includes at ieast one element selected from the 
group consisting of a Group !i A eiement, a rare earth eiement; and a Group III B 
eiement; 

(b) a temperature controlier for capable of maintaining the superconductor element at a 
temperature greater than or equai to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 

eiement. 



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CLAIM 303 (Currently Amended) An apparatus for conducting an electric current 
essentiaSly without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantialiy layered perovskite crystal structure, the copper-oxide 
compound including at least one element selected from the group consisting of a Group 
II A element, a rare earth element and a Group HI B eiement, the composition 
comprising a superconductive/resistive transition defining a superconductive/resistive- 
transition temperature range between an upper limit defined by a transition-onset 
temperature Tc and a lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature Tp=o, the transition-onset temperature Tc being greater than or equal to 
26°K; 

(b) a temperature controller fof- capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement, 

CLAIM 304 (Currently Amended) An apparatus for causing electric-current f!ow in a 
superconductive state at a temperature greater than or equal to comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the composition 
comprising a superconductive transition temperature Tc of greater than or equal to 
26'% said superconductive composition includes at least one eiement selected from the 
group consisting of a Group W A eiement and at least one element selected from the 
group consisting of a rare earth element and a Group HI B element; 



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(b) a temperature controiier for capable of maintaining the superconductor element at a 
temperature greater tiian or equai to and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement 

CLAIM 305 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the copper-oxide 
compound including at least one element selected from the group consisting of a Group 
!i A element and at least one element selected from the group consisting of a rare earth 
eiement and a Group Hi B element, the composition comprising a 
superconductive/resistive transition defining a superconductive-resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=0: the transition-onset temperature Tc being greater than or equal to 26'^K; 

(b) a temperature controller fof capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 

eiement. 

CLAIM 306 (Currently Amended) An apparatus for causing electric-current fiow in a 
superconductive state at a temperature greater than or equal to 26*K, comprising; 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a transition meta! oxide 
compound comprising a substantiaily layered perovskite crystal structure, the 
composition comprising a superconductive transition temperature Tc of greater than or 
equal to 26° said superconductive composition includes at least one element selected 
from tlie group consisting of a Group li A element and at least one element selected 
from the group consisting of a rare earth element and a Group !!! B element; 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition Tc of 
the superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 

element 

CLAIM 307 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide 
compound comprising a substantially layered perovskite crystal structure, the transition 
metal-oxide compound including at least one element selected from the group 
consisting of a Group !! A element and at least one element selected from the group 
consisting of a rare earth element and a Group li! B element, the composition 
comprising a superconductive/resistive transition defining a superconductive/resistive- 
transition temperature range between an upper limit defined by a transition-onset 
temperature Tc and a lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature Tp=o, the transition-onset temperature Tc being greater than or equal to 
26°K; 



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(b) a temperature controiier for capable of maintaining the superconductor element at a 
temperature beiow the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing providing an electric current to fiow in the 
superconductor eiement. 

CLAIIV! 308 (Previously Presented) An apparatus according to claim 273 wherein said 
composition comprises a substantially layered perovskite crystal structure. 

CLAiM 309 (Currently Amended) An apparatus according to claim 274 wherein said 
superconducting t-r-an-sistor transition metal oxide comprises a substanliaily layered 
perovskite crystal structure, 

CLAiM 310 (Previously Presented) An apparatus according to claim 275 vi'herein said 
superconducting copper oxide comprises a substantially layered perovskite crystal 
structure. 

CLAiM 31 1 (Ailovs/ed) An apparatus according to claim 276 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 
structure. 

CLAIM 312 (Allowed) An apparatus according to ciaim 277 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 
structure. 

CLAIM 313 (Currently Amended) An apparatus according to claim 278 wherein said 
t-rar>&!Stor transition metal oxide comprises a substantially layered perovskite crystal 
structure. 



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CLAIM 314 (Previously Presented) An apparatus according to claim 279 wherein said 
copper oxide comprises a substantially layered perovskite crystal structure, 

CLAIM 31 5 (Allowed) An apparatus according to claim 280 wherein said composition 
comprises a substantially iayered perovskite crystal structure. 

CLAiM 316 (Allowed) An apparatus according to claim 281 wherein said composition of 
matter comprises a substantially layered perovskite crystal structure. 

CLAIM 317 (Allowed) An apparatus according to ciaim 282 wherein said composition of 
matter comprises substantially layered perovskite crystal structure. 

CLAIM 318 (Allowed) An apparatus according to claim 283 wherein said composition of 
matter comprises a substantially layered perovskite crystal structure. 

CLAiM 319 (Allowed) An apparatus according to claim 284 wherein said composition of 
matter comprises substantially layered perovskite crystal structure. 

CLAIM 320 (Currently Amended) An apparatus according to claim 285 wherein said 
tran-sistof transition metai oxide comprises substantially layered perovskite crystal 
structure. 

CLAIM 321 (Previously Presented) An apparatus according to claim 286 wherein said 
copper oxide composition comprises substantially layered perovskite crystal structure. 

CLAIM 322 (Currently Amended) A superconductive combination according to anyone 
any one of claims 84 or 85, wherein said mixed transition metai oxide can be made 
according to known principles of ceramic science. 

CLAiM 323 (Currently Amended) An apparatus according to anyone any one of claims 
86, 87, 144, 146, 147, 163, 164, 168, 169, 173, 174, 178, 182, 189, 196, 197, 214, 224, 



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235, 236, 237, 239, 254, 255, 259, 260, 264, 265 or 273, wherein said composition can 
be made according to known principles of ceramic science. 



CLAIM 324 (Currently Amended) A combination according to a-nyone any one of ciaims 
91 , 92 or 36 to 39, wherein said composition can be made according to known 
principles of ceramic science. 

CLAIM 325 (Currently Amended) A superconductive apparatus according to aR-y«Re 
one of ciaims 1 to 11 , 33 to 35, 66 to 68,109, 130, 361-366 or 370, wherein said 
composition can be made according to l<nown principles of ceramic science, 

CLAIM 326 (Currently Amended) An apparatus according to afiyGfie any one of claims 
93 to 95 or 138, wherein said mixed copper oxide can be made according to known 
principles of ceramic science. 

CLAIM 327 (Currently Amended) A combination according to a«y©Re any one of ciaims 
64 or 136, wherein said mixed copper oxide can be made according to known principles 
of ceramic science. 

CLAIM 328 (Currently Amended) A superconductive apparatus according to afiyofie any 
one of claims 48 to 52, 96 to 108, 1 98 to 204, 371 , 383 or 384, wherein said 
superconductive composition can be made according to known principles of ceramic 
science, 

CLAIM 329 (Currently Amended) A superconductive combination according to anyone 
any one of ciaims 12 to 23, 110, 131, 132 or 367-370, wherein said superconductive 
composition can be made according to known principles of ceramic science. 

CLAIM 330 (Currently Amended) An apparatus according to a nyon e any one of claims 
185 or 220, wherein said superconductive composition can be made according to 

known principles of ceramic science. 



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CLAIM 331 (Previously Presented) A device according to claim 111 wherein said 
superconductive transition metal oxide can be made according to known principles of 
ceramic science, 

CLAIM 332 {Currently Amended) An apparatus according to anyone any one of ciaims 
183, 217, 218, 274 or 309, wherein said superconductive transition metal oxide can be 
made according to known principSes of ceramic science. 

CLAIM 333 (Previously Presented) A device according to claim 112, wherein said 
superconductive copper oxide can be made according to known principles of ceramic 
science. 

CLAIM 334 (Currently Amended) An apparatus according to afiyoRe any one of claims 
275, 276, 310 or 31 1 , wherein said superconductive copper oxide can be made 
according to known principles of ceramic science. 

CLAIM 335 (Allowed) A device according to claim 113, wherein said superconductive 
oxide composition can be made according to known principles of ceramic science. 

CLAIM 336 (Currently Amended) An apparatus according to anyone any one of ciaims 
186, 221, 272, 312 or 413, wherein said superconductive oxide composition can be 
made according to known principles of ceramic science, 

CLAIM 337 (Currently Amended) A device according to af>y©n© any one of claims 114 
or 1 17, wherein said transition metal oxide can be made according to known principles 
of ceramic science, 

CLAIM 338 (Currently Amended) An apparatus according to anyone any one of ciaims 
24 to 26, 60 to 63, 1 16, 141 to 143, 172, 187, 222, 232 to 234, 263, 278, 285, 287, 288, 



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313 or 320, wherein said transition metal oxide can be made aooording to known 
principles of ceramic science. 

CLAIM 339 (Currently Amended) A superconductive apparatus according to anyone anii 
one of claims 27-32, 132 or 370, wherein said transition metai oxide can be made 
according to known principles of ceramic science. 

CLAIM 340 (Previously Presented) An invention according to claim 118, wherein said 
transition metal oxide can be made according to known principies of ceramic science, 

CLAIM 341 (Previously Presented) A transition metal oxide device according to claim 
128, wherein said transition metal oxide can be made according to known principles of 
ceramic science. 

CLAIM 342 (Currently Amended) An apparatus according to a«yof>e any one of claims 
40 to 45, wherein said superconductor can be made according to known principles of 
ceramic science, 

CLAIM 343 (Currently Amended) A device according to anyone any one of claims 1 1 9 
or 121, wherein said copper oxide can be made according to known principies of 
ceramic science. 

CLAIM 344 (Previously Presented) An apparatus according to claim 120, wherein said 
copper oxide can be made according to known principies of ceramic science. 

CLAIM 345 (Previously Presented) An invention according to claim 122, wherein said 
copper oxide can be made according to known principies of ceramic science, 

CLAIM 346 (Allowed) A superconductive apparatus according to claim 123, wherein 
said copper oxide can be made according to known principles of ceramic science. 



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CLAIM 347 (Previousiy Presented) A copper oxide device according to claim 129, 
wherein said copper oxide can be made according to known principles of ceramic 
science. 

CLAIM 348 (Currently Amended) An apparatus according to any o ne any one of claims 
162, 167, 177, 188, 223, 253, 258, 268, 269, 270, 279 or 314, wherein said copper 
oxide can be made according to known principles of ceramic science. 

CLAIM 349 (Previously Presented) A combination according to claim 57, wherein said 
superconductive oxide can be made according to known principles of ceramic science, 

CLAIM 350 (Currently Amended) A combination according to anyone any one of claims 
58 or 373, wherein said ceppef transition metal oxide conductor can be made according 
to known principles of ceramic science. 

CLAIM 351 (Previousiy Presented) A combination according to claim 59, wherein said 
ceramic-like material can be made according to known principies of ceramic science. 

CLAIM 352 (Currently Amended) A superconductive combination according to anyone 
any one of claims 69 to 71 or 134, wherein said superconductive composition can be 
made according to known principles of ceramic science. 

CLAIM 353 (Currently Amended) A superconductive apparatus according to anyone anii 
one of claims 139, 140, 149 to 155, 166 to 161, 170, 171, 175, 176, 180, 181, 205 to 
216, 387-393, or 396-401 , wherein said superconductive composition can be made 
according to known principles of ceramic science. 

CLAIM 354 (Currently Amended) An apparatus according to ar^yone any one of claims 
165, 166, 185. 220. 240 to 246. 247 to 252. 261, 262, 289, 290 to 301, 394, 395, 402- 
406, 409 or 410, wherein said superconductive composition can be made according to 
known principles of ceramic science. 



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CLAIM 355 (Currently Amended) A combination according to an-y?5n« any one of ciaims 
77 to 81 , 186, 379 or 380, wherein said mixed copper oxide composition can be made 
according to known principles of ceramic science. 

CLA!M 356 {Currently Amended) A device according to aayofje any one of claims 124 
to 127, wiierein said composition of matter can be made according to i^nown principles 
of ceramic science. 

CLAIIVI 357 (Currently Amended) An apparatus according to an-y-one any one of claims 
190 to 194, 225 to 229, 231 256, 257, 266, 287, 271, 272, 281 to 284, 317 to 319, 407, 
or 41 1 to 413, wherein said composition of matter can be made according to known 
principles of ceramic science. 

CLAIIV! 358 (Currently Amended) An apparatus according to anyone any one of claims 
186 or 221 , wiierein said superconductive oxide composition can be made according to 
known principles of ceramic science. 

CLAIIV! 359 (Currently Amended) An apparatus according to an-yon^ any one of claims 
195 or 230, wiierein said copper oxide composition can be made according to known 
principles of ceramic science. 

CLAIM 360 (Currently Amended) An apparatus according to anyone any one of claims 
286 or 321 , wiierein said copper oxide composition can be made according to known 
principles of ceramic science. 

CLAIM 361 (Currently Amended) A superconducting apparatus comprising, a 
composition having a transition temperature greater than or equal to 26''K, the 
composition including a rare earth or an element comprising a rare earth characteristic, 
a transition metal element capable of exhibiting multivalent states and oxygen, including 

at least one phase that exhibits superconductivity at temperature greater than or equa! 



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to 25^K a meaBS- temperature control ier for capabie of maintaining said composition at 
said temperature to exhibit said superconductivity and means a current source -for 
capabie of passing an electrical superconducting current tlirougli said composition while 
exhibiting said superconductivity. 

CLAIM 362 (Previously Presented) The superconducting apparatus of ciaim 361 , further 
including an alkaline earth element substituted for at least one atom of said rare earth or 
element comprising a rare earth characteristic in said composition. 

CLAIM 363 (Previously Presented) The superconducting apparatus of claim 362, where 
said rare earth or eiement comprising a rare earth characterislic is selected from the 
group consisting of La, Nd, and Ce, 



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CLAIM 364 (Previously Presented) The superconducting apparatus of ciaim 361 , where 
said phase is crystaOine with a stnjcture comprising a perovskite characteristic. 

CLAIM 365 (Previously Presented) The superconducting apparatus of claim 362, vs/here 
said phase is crystalline with a structure comprising a perovskite characteristic. 

CLAIM 366 (Previously Presented) The superconducting apparatus of claim 361 , where 
said phase exhibits a crystalline structure comprising a layered characteristic, 

CLAIM 367 (Previously Presented) The combination of claim 15, where said additional 
element is a rare earth or an element comprising a rare earth characteristic. 

CLAIM 368 (Previously Presented) The combination of claim 12, where said 
composition includes a superconducting phase comprising a perovskite characteristic. 

CLAilVl 369 (Previously Presented) The combination of claim 20, where said substituted 
transition metal oxide has a structure comprising a layered characteristic. 

CLAIM 370 (Previously Presented) The superconducting apparatus of ciaim 31 , where 
said crystalline structure comprises a layered characteristic, enhancing the number of 
Jahn-Teller polarons in said composite. 

CLAIM 371 (Previously Presented) The superconductive apparatus of claim 48, where 
said substitutions include a rare earth or an element comphsing a rare earth 
characteristic. 

CLAIM 372 {Currently Amended) A superconductive apparatus comprising: an element 
capable of carrying a superconductive current comprised of a copper oxide comprising 
a crystalline structure comprising a layered characteristic and at least one additional 
element substituted in said crystalline structure, said structure being oxygen deficient 



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and exhibiting a superconducting onset temperature greater than or equal to IQ^ K said 
copper oxide comprising at least one element seiected from the group consisting of a 
first eiement group, a second eiement group and combinations thereof, wherein said 
first eiement group comprises rare earth eiements, rare earth-like elements and Group 
y iB eiements and said second element group comprises aikaline earth eleme^^^ 
Group HA elements 

CLAIM 373 (Currently Amended) A combination, comprised of: 

a copper transition metal oxide superconductor having a superconductor onset 
temperature greater than about IQ^K including an element which results in a mixed 
valent stale in said oxide, said oxide being crystalline and comprising a structure 
comprising a layered characteristic, 

means a current source -fof- capable of passing a superconducting current through said 
copper oxide while it is iTiaintained at a temperature greater than or equal to 26°K and 
less than said superconducting onset temperature, and 

wean-s a temperature controller for- capable of cooling said copper oxide to a 
superconductive state at a temperature greater than or equal to 26*K and less than said 
superconducting onset temperature 

said transition metal oxide comprising at ieast one element selected from the group 
consisting of a first element group, a second element group and combinations thereof, 
wherein said first element group comprises rare earth elements, rare earth-iike 
elements and Group IHB elements and said second element group comprises alkaline 
earth elements and Group iiA elements 

CLAiM 374 (Currently Amended) A combination, comprised of: 



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a materia! comprising a ceramic characteristic comprising an onset of superconductivity 
at an onset temperature greater tiian or equal to 26''K. 

maa-ns a current source for capable of passing a superconducting electrical current 

througii said material comprising a ceramic characteristic while said material is 
maintained at a temperature greater than or equal to 26'' K and iess than said onset 
temperature, 

m^ms a temperature controlier for capabie of cooling said superconducting material 
having a ceramic characteristic to a superconductive state at a temperature greater than 
or equal to 26'*K and iess than said onset temperature, said materia! being 
superconductive at temperatures below said onset temperature and a ceramic at 
temperatures above said onset temperature, and 

said materia! comprising a transition metal, oxygen and at ieast one element seiected 
from the group consisting of a first eiement group, a second eiement group and 
combinations thereof, wherein said first eiement group comprises rare earth eiements. 
rare earth-li!<e eiements and Group if IB elements and said second element group 
comprises alkaline earth elements and Group HA eiements. 

CLAi!\^ 375 (Currentiy Amended) An apparatus comprising: a composition exhibiting 
superconductivity at temperatures greater than or equal to 26*K, said composition being 
a matena! comprising a ceramic characteristic in the RE-AE-T!V1-0 system, where RE is 
a rare earth or near rare earth element, AE is an aii^aiine earth element, TM is a 
multivaient transition meta! element having at least two valence states in said 
composition, and 0 is oxygen, the ratio of the amounts of said transition meta! in said 
two valence states being determined by the ratio RE: AE, a source of current for 
capabie of passing a superconducting eiectric current in said transition meta! oxide, and 
a cooiing apparatus Isr capabie of maintaining said transition meta! oxide beiow said 
onset temperature and at a temperature greater than or equa! to 2G^K. 



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CLAIM 376 (Previousiy Presented) The combination of claim 71 , where said mixed 
copper oxide further indudes a rare earth or an element comprising a rare earth 
characteristic. 

CLAIM 377 (Withdrawn, Currently Amended) An apparatus comprising: an eiement 
capabie of catryinq a superconductive current comprising a superconductor having a 
superconducfing onset temperature greater than or equal fo 26*K, said superconducfor 
being made by a method including the steps of: 

preparing powders of oxygen-containing compounds of a rare earth or rare earth-iike 
eiement, an alkaline earth eiement. and copper, 

mixing said compounds and firing said mixture to create a mixed copper oxide 
composition including said aikaiine earth element and said rare earth or rare earth-iike 
eiement, and 

annealing said mixed copper oxide composition at an elevated temperature less than 
about 950°C in an atmosphere including oxygen to produce a superconducting 
composition having a mixed copper oxide phase exhibiting a superconducting onset 
temperature greater than or equal to 26*'K, said superconducting composition 
comprising a crystalline structure comprising a layered characlertstic after said 
annealing step. 

CLAIM 378 (Withdrawn. Currently Amended) An apparatus comprising: an eiement 
capabie of carrying a superconductive current comprising a superconductor having a 
superconducting onset temperature greater than or equal to 26'*K, said superconductor 
being comprised of a rare earth or an element (RE) comprising a rare earth 
characteristic, an alkaline earth eiement (AE), copper (CU), and oxygen (0) and having 
the general formula RE~AE-CU-0, said superconductor being made by a method 
comprising the steps of combining said rare earth or element comphsing a rare earth 
characteristic, said alkaline earth element and said copper in the presence of oxygen to 



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produce a mixed copper oxide including said rare eartli or rare earth-!ike element and 
said alkaline earth eiement therein, and 

heating said mixed copper oxide to produce a superconductor having a crystailine 
structure comprising a layered characteristic and exhibiting a superconducting onset 
temperature greater than or equa! to IQ^K the critical transition temperature of said 
superconductor being dependent on the amount of said alkaiine earth eiement therein. 

CLAM 379 (Currently Amended) A combination, comprising: 

a mixed copper oxide composition including an alkaline earth element (AE) and a rare 
earth or element (RE) comprising a rare earth characteristic, said composition 
comprising a crystailine structure comprising a layered characteristic and multi-vaient 
oxidation states, said composition exhibiting a substantially zero resistance to the flow 
of electrical current therethrough when cooled to a superconducting state at a 
temperature greater than or equai to 26''K, said mixed copper oxide having a 
superconducting onset temperature greater than or equai to 26°K, and 

e i ect ric a i m ea RS a current source for capable of passing an electrica! superconducting 
current through said composition when said composition exhibits substantially zero 
resistance at a temperature greater than or equal to 26''K and less than said onset 
temperature. 

CLAiM 380 (Previously Presented) The combination of claim 379, wherein said 
crystalline structure comprises a perovskite characteristic. 

CLAIM 381 (Currently Amended) An apparatus comprising: an eiement capabie of 
carrying a superconductive current comprising a superconductor having a 
superconducting onset temperature greater than or equal to 26"^ said superconductor 
being comprised of a rare earth or an eiement (RE) comprising a rare earth 
characteristic, an alkaline earth element (AE), a transition metal eiement (TM), and 
Oxygen (O) and having the general formula RE-AE-TM-O, said superconductor being 



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made by a method comprising the steps of combining said rare earth or element 
comprising a rare earth charactenstic, said all<aline earth element and said transition 
metal element in the presence of oxygen to produce a mixed transition metal oxide 
tnciuding said rare earth or element comprising a rare earth characteristic and said 
aii^aline earth element therein, and 

heating said mixed transition metal oxide to produce superconductor having a 
crystalline structure comprising a layered characteristic and exhibiting a 
superconducting onset temperature greater than or equal to 26''K, said superconductor 
having a non-stoichiometric amount of oxygen therein, 

CLAiM 382 (Previously Presented) The apparatus of claim 93, where said copper oxide 
material exhibits a crystalline structure comprising a layered characteristic. 

CLAIM 383 {Currently Amended) A superconductive apparatus for causing electric- 
current flovs/ in a superconductive state at a temperature greater than or equal to IS^K, 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition comprising a coppef- transition metal oxide compound 
having a crystal structure comprising a perovskite characteristic and a layered 
characteristic, the composition having a superconductor transition temperature Tc of 
greater than or equal to 26''K: 

(b) mean-s a temperature controller fef capable of maintaining the superconductor 
element at a temperature greater than or equal to 26°K and below the superconductor 
transition temperature Tc of the superconductive composition; m4 

(c) meafis a current source fey cagafaie of causing an electric current to flow in the 
superconductor element ; and 



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(d) said superconductive composition comprising at ieast one eiement selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first eiement group comprises rare earth eiements, rare earth- 1 ike 
eiements and Group iilB elements and said second element group comprises alkaline 
earth elements and Group iiA elements 

CLAiM 384 (Currently Amended) A superconductive apparatus for causing eiectric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K. 
comprising: 

(a) a superconductor eiement made of a superconductive composition, the 
superconductive com posit ion compris ina a CQPPer-transitipn metal ox ide compound 
having a crystai structure comprising a perovskite characteristic and a layered 
characteristic, the composition having a superconductor transition temperature Tc of 
greater than or equal to 26''K; 

(b) a temperature controlier capabie of maintaining the superconductor eiement at a 
temperature greater than or eguai to 26''K and beiow the superconductor transition 
temperature Tn of the superconductive composition: 

(c) a current source capable of causing an eiectric current to flow in the superconductor 
eiement: and 

^jj:^e st^pe^rGGRdt^Gtiv& apparatus according to c-iaim 383 ift wh^ich the copper-oxide 
compound of the superconductive composition includes at least one rare-earth or 
element compnsing a rare earth characteristic and at least one alkaline-earth eiement. 

CLAIM 385 (Previously Presented) The superconductive apparatus according to claim 
384 in which the rare-earth or element comprising a rare earth characteristic is 
ianthanum. 



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CLAIM 386 (Currently Amended) A superconductive apparatus for conducting an 
eiectric current essentially without resistive losses, comprising; 

(a) a superconductor eiement made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including at least one rare-earth or element 
comprising a rare earth characteristic and at least one alkaline-earth element, the 
composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lovi^er limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tq=o= the transition-onset temperature Tc being 
greater than or equal to 26''K; 

(b) meaBs a temperature controller for capable of maintaining the superconductor 
element at a temperature below the effectively-zero-bulk-resistivity intercept 
temperature T,^^^. Tg^j^ of the superconductive composition; and 

(c) me&m a current source for capable of causing an electric current to flow m the 
superconductor element. 

CLAIM 387 (Allowed) The superconductive apparatus according to claim 386 in which 
the rare-earth or an element comprising a rare earth characteristic is lanthanum. 

CLAIM 388 (Allowed) An apparatus comprising; 

a composition including a transition metal, a rare earth or an element comprising a rare 

earth characteristic, an alkaline earth element, and oxygen, where said composition is a 
mixed transition metal oxide having a non-stoichiometric amount of oxygen therein and 
exhibiting a superconducting state at a temperature greater than or equal to 26° K, 



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a temperature controlier cagabteof maintaining said composition in said 
superconducting state at a temperature greater than or equa! to 26''K. and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting stale. 

CLAiM 389 (Currently Amended) A superconductive apparatus for causing eiectric 
current flow in a superconductive state at a temperature greater than or equal to 2Q^K, 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a crysla! structure comprising a iayered charactehstic and a perovs!<ite 
characteristic, the composition having a superconductor transition temperature of 
greater than or equal to 26''K; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature greater than or equa! to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capabie of causing an eiectric current to flow in the superconductor 
eiement : and 

(d) said superconductive composition comprising at ieast one eiement selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first eiement group comprises rare earth eiements, rare earth-like 
elements and Group MiB elements and said second element group comprises ail<aiine 
earth elements and Group ilA elements 



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CLA!M 390 {Currently Amended) A superconductive apparatus for causing eiectric 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
Gomprisiog: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a crystai structure comprising a layered characteristic and a perovskite 
characteristic, the composition having a superconductor transition temperature of 
greater than or equal to 26" K, 

(b) a temperature controlier capable of maintaining the superconductor eSement at a 
temperature greater than or eguai to 26°K and beiow the superconductor transition 
temperature Tc of the superconductive composition: 

(c) a source capabSe of causing an electric current to flow in the superconductor 
eiement: and . 

compound of the superconductive composition includes at least one rare-earth or an 
eiement comprising a rare earth characteristic and at feast one alkaline-earth eiement. 

CLAIIV! 391 (Allowed) The superconductive apparatus according to claim 390 in v^hich 
the rare-earth or an element comprising a rare earth characteristic is lanthanum, 

CLAIM 392 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentially vi/ithout resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including at least one rare-earth or rare- 



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earth-!ike element and at ieast one a!ka!ine-earth eiement, the composition iiaving a 
superconductive/resistive-transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower limit defined by an effectively~zero~bulk-resistivity intercept temperature 
Tp^o, the transition-onset temperature Tc being greater than or equal to 26''K; 

(b) a temperature controiier capable of maintaining the superconductor eiement at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp^o of the 
superconductive composition, and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 393 (Ailowed) The superconductive apparatus according to ciaim 392 in whidi 
the rare-earth or an element comprising a rare earth characteristic is lanthanum, 

CLAIM 394 (Currently Amended) An apparatus for causing etectric-current flow in a 
superconductive state at a temperature greater than or equal to 26°K comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 

comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the composition having a superconductive transition temperature Tc of 
greater than or equal to 26°K, said superconductive composition includes at least one 
element selected from the group consisting of a Group I! A element, a rare earth 
element; and a Group III B element; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature TcOf the superconductive composition; and 



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(c) a current source capable of causing an electric current to flow in the superconductor 
eiement, 

CLAIM 395 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive tosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including at least one element selected from 
the group consisting of a Group 11 A element, a rare earth element and a Group NIB 
element, the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o , the transition-onset temperature Tc being 
greater than or equal to 26°K; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flovi^ in the superconductor 
element 

CLAIM 396 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comphsing a layered charactehstic and a perovskite 



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characteristic, the composition having a superconductive transition temperature Tc of 
greater than or equal to 26°K said superconductive composition includes at least one 
eiement seiected from the group consisting of a Group I! A element and at ieast one 
element seiected from the group consisting of a rare earth eiement and a Group III B 

eiement: 

(b) a temperature controlier capable of maintaining the superconductor eiement at a 
temperature greater than or equai to 26°K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an eiectric current to flow in the superconductor 

eiement. 

CLAIM 397 (Currently Amended) A superconductive apparatus for conducting an 
eiecthc cufxent essentialiy without resistive iosses, comphsing: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a crystai structure comphsing a iayered charactehstic and a perovsi^ite 
characteristic, the copper-oxide compound including at least one eiement selected from 
the group consisting of a Group 11 A eiement and at ieast one eiement selected from the 
group consisting of a rare earth element and a Group NIB element, the composition 
having a superconductive/resistive transition defining a superconductive-resistive- 
transition temperature range between an upper limit defined by a transition-onset 
temperature Tc and a lower limit defined by an effectiveiy-zero-buii<-resistiv!ty intercept 
temperature Tp=o ■. the transition-onset temperature Tc being greater than or equai to 
26"K; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 



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(c) a current source capable of causing an electric current to flow in the superconductor 
eiement. 

CLAIM 398 (Currently Amended) A superconductive apparatus for causing eiectric- 
current flow in a superconductive state at a temperature greater tfian or equai to 26"^ 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a transition metal oxide 
compound comprising a crystal structure comprising a iayered characteristic and a 
perovskite characteristic, the composition having a superconductive transition 
temperature Tc of greater than or equal to 26"^ said superconductive composition 
includes an element selected from the group consisting of a Group II A element and at 
ieast one eiement selected from the group consisting of a rare earth element and a 
Group III B element; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature greater than or equal to 26" K and beiow the superconductor transition Tc of 
the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
eiement 

CLAIM 399 (Currently Amended) A superconductive apparatus for conducting an 
eiectnc current essentially without resistive losses, compnsing: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide 
compound comprising a crystal structure comprising a iayered characteristic and a 
perovskite characteristic, the transition metal-oxide compound including at least one 



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element selected from the group consisting of a Group II A element and at least one 
element selected from the group consisting of a rare earth element and a Group 111 B 
element, the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature Tc being 
greater than or equal fo 26*K; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

element 

CLAIM 400 {Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 2Q^K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the composition having a superconductive transition temperature Tc of 
greater than or equal to 26°K, said superconductive composition includes a Group II A 
element, and at least one element selected from the group consisting of a rare earth 
element and a Group III B element; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature greater than or equal to 26*'K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 



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(c) a current source capable of causing an electric current to flow in the superconductor 
eiement, 

CLAIM 401 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, compnsing- 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including Group II A element, and at least 
one element selected from the group consisting of a rare earth element and a Group Mi 
B element, the composition having a superconductive-resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature and a lower iimit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature Tc being 
greater than or equal to 26°K; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivily intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flovi^ in the superconductor 
element 

CLAIM 402 (Currently Amended) An apparatus capable of carrying electric current flow 
in a superconductive state at a temperature greater than or equal to 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 

comprising a crystal structure comprising a layered characteristic and a perovskite 



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characteristic, the composition comprising a superconductor transition temperature Tc of 
greater than or equal to 26°K 



(b) a temperature controller -for capable of maintaining the superconductor element at a 
temperature greater tiian or equal to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 
element , and 

(d) said superconducting composition comprising at least one element selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first element group comprises rare earth elements, rare earth-like 
elements and Group fllB elements and said second element group comprises alkaline 
earth elements and Group liA elements . 

CLAIM 403 (Currently Amended) A superconductive apparatus for conducting an 
eiectnc current essentialiy without resistive losses, comphsing- 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including Group li A element, and at least 
one element selected from the group consisting of a rare earth element and a Group IH 
B element, the composition having a superconductive-resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower iimit defined by an effectively-zero- 
bulk-res istivitv intercept temperature Tp =o . the transition-onset temperature J r. being 
greater than or equal to 26''K: 



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(b) a temperature contrQlier capable of maintaining the superconductor eiement at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature T, ,^ q of the 
superconductive composition: 

(c) a current source capable of causing an eiectric current to flow in the superconductor 
eiement. and 



(d)AR-appafat«s--a€cor4ing--to-olam-402--ifi--which the copper-oxide compound of the 
superconductive composition includes at least one rare-earth or an eiement comprising 
a rare earth characteristic and at least one aii^aline-earth eiement, 

CLAiM 404 (Previously Presented) An apparatus according to claim 403 in which the 
rare-earth or element comprising a rare earth characteristic is lanthanuin. 

CLA!M 405 {Currentiy Amended) An apparatus for conducting an electric current 
essentiaily without resistive iosses, compnsing: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a layer-type perovskite-!ike crystal structure, the copper-oxide compound 
comprising at least one rare-earth or element compnsing a rare earth characteristic and 
at least one aikaiine-earth eiement, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower iimit defined by an effectively-zero-bulk-resistivity intercept temperature 
Tp=o. the transition-onset temperature Tc being greater than or equal to 26'' K; 

(b) a temperature controlier fof- capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 



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(c) a source capable of providing an electric current to flow in the superconductor 
eiement, 

CLAIM 406 (Ailowed) An apparatus according to claim 405 in which the rare-earth or 
element comprising a rare earth characteristic is lanthanum, 

CLAIM 407 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equal to 26"^ 
comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the composition comprising a superconductive transition temperature Tc 
of greater than or equal to 26°K, said superconductive composition includes at least one 
element selected from the group consisting of a Group !l A element, a rare earth 
element; and a Group lil B element; 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 
element. 

CLAIM 408 (Currently Amended) An apparatus capable of carrying an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 

comprising a crystal structure comprising a layered characteristic and a perovskite 



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characteristic, the copper-oxide compound including a! least one element selected from 
the group consisting of a Group II A eiement, a rare earth element and a Group 111 B 
eiement, the composition comprising a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower iimit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature Tc being 
greater than or equal to 

(b) a temperature controller f^f capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 

element 

CLAIM 409 (Currently Amended An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equal to 26°K 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskrte 
characteristic, the composition comprising a superconductive transition temperature Tc 
of greater than or equa! to 26"K, said superconductive composition includes at least one 
eiement selected from the group consisting of a Group !! A element and at least one 
eiement selected from the group consisting of a rare earth eiement and a Group ill B 
element; 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature greater than or equal to 26° K and below the superconductor transition 

temperature Tc of the superconductive composition; and 



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(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement. 

CLA!M 410 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including at least one element selected from 
the group consisting of a Group I! A eiement and at least one eiement selected from the 
group consisting of a rare earth element and a Group WIS element, the composition 
comprising a superconductive/resistive transition defining a superconductive-resistive- 
transition temperature range betv/een an upper limit defined by a transition-onset 
temperature T,.. and a lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature Tp=:o - the transition-onset temperature Tc being greater than or equal to 
26°K; 

(b) a temperature controller fof capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement. 

CLAIM 41 1 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a transition meta! oxide 
compound comprising a crystal structure comprising a iayered characteristic and a 
perovskite characteristic, the composition comprising a superconductive transition 
temperature Tc of greater than or equal to 26°K, said superconductive composition 
includes at least one element selected from the group consisting of a Group !1 A 
element and at least one element selected from the group consisting of a rare earth 
element and a Group l!i B element; 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature greater than or equal to and below the superconductor transition Tc of 
the superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 
element. 

CLAilVl 412 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide 
compound comprising a crystal structure comprising a iayered characteristic and a 
perovskite charactenstic, the transition metal-oxide compound including at least one 
element selected from the group consisting of a Group !i A element and at least one 
element selected from the group consisting of a rare earth element and a Group ill B 
element, the composition comprising a superconductive/resistive transition defining a 
superconductive/resistive-transttion temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=.0: tl^e transition-onset temperature Tc being 
greater than or equal to 26''K; 



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(b) a temperature controiier for capable of maintaining the superconductor element at a 
temperature beiow the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement 

CLAIM 413 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
characteristic, the copper-oxide compound including at least one element selected from 
the group consisting of a group 11 A element, at least one element selected from the 
group consisting of a rare earth element and at least one element selected from the 
group consisting of a Group ill B element, the composition comprising a 
superconductive-resistive transition temperature defining a superconductive/resistive- 
transition temperature range between an upper limit defined by a transition-onset 
temperature Tc and a lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature Tp=o, the transition-onset temperature Tc being greater than or equal to 
26°K; 

(b) a temperature controiier for capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement. 



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CLAIM 414 (Currently Amended) A superconducting apparatus according to anyone 
any one of claims 361-365 or 366, wherein said composition can be made according to 
known principles of ceramic science. 

CLAIM 415 (Currently Amended) A superconducting combination according to anyone 
any one of claims 367, 368 or 369, wherein said composition can be made according to 
known principles of ceramic science. 

CLAIM 416 (Currently Amended) A superconducting apparatus according to afiyofie 
any one of claims 370 or 371 , wtierein said composition can be made according to 
known principles of ceramic science. 

CLAIM 417 (Previously Presented) A superconducting apparatus according to claim 
372, wherein said copper oxide can be made according to known principles of ceramic 
science. 

CLAIM 418 (Previously Presented) A combination according to claim 373, wherein said 
copper oxide can be made according to known principles of ceramic science. 

CLAIM 419 (Previously Presented) A combination according to claim 374, wherein said 

material can be made by known principles of ceramic science. 

CLAIM 420 (Currently Amended) -A-apparate s An apparatus according to claim 375, 
wherein said composition can be made by known principles of ceramic science, 

CLAIM 421 (Previously Presented) A combination according to claim 376, wherein said 

mixed copper oxide can be made by known principles of ceramic science. 

CLAIM 422 (Currently Amended) A combination according to a fi y on e any one of claims 
379 or 380, wherein said mixed copper oxide can be made by known principles of 

ceramic science. 



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CLAIM 423 (Currently Amended) -A- An apparatus according to claim 382. wherein said 
copper oxide materia! can be made by known principles of ceramic science. 

CLAIM 424 (Currently Amended) A superconductive apparatus according to anyon e any 
one of claims 383, 384, 385, 386, 387 and 389, wherein said composition can be made 
by known principles of ceramic science. 

CLAIM 425 (Currently Amended) [|A]] An apparatus according to claim 388, wherein 
said composition can be made according to known principles of ceramic science. 

CLAIM 426 (Currently Amended) A superconductive apparatus according to any^fne any 
one of claims 389 to 400 or 401 , wherein said superconductive composition can be 
made by known principles of ceramic science. 

CLAIM 427 (Currently Amended) -A- An apparatus according to afiyone any one of 
claims 402 to 412 or 413, wherein said superconductive composition can be made by 
known principles of ceramic science, 

CLAIM 428 (Currently Amended) An apparatus capable of carrying electric current flow 
in a superconductive state at a temperature greater than or equal to 26''K, comprising. 

a superconductive element capable of carrying a superconductive current comprising a 
superconductive composition, said superconductive composition comprising a transition 
metal, 0 and at least one element selected from the group consisting of Be, Mg, Ca, Sr, 
Ba, Ra, Sc, Y, La, Ce, Pr, Nd, Pin, Sm, Eu, Gd, Tb, Dy, Ho, Er Tm, Yb, and Lu; and 

said composition comprising a superconductor transition temperature Tc of greater than 
or equal to 26''K. 



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CLAIM 429 (Currently Amended) An apparatus according to claim 428, further 
including; 

a temperature controller for capabie of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

a source capable of providing an electric current to flow in the superconductor element. 

CLAIM 430 (Previously Presented) An apparatus according to claim 428, wherein said 
composition comprises a substantially layered structure. 

CLAIM 431 (Previously Presented) An apparatus according to claim 429, wherein said 
composition comprises a substantially layered structure. 

CLAiM 432 (Currently Amended) An apparatus according to a nyon e any one of claims 
428 to 430 or 431 , wherein said composition comprises a substantially perovskite 
crystal structure. 

CLAiM 433 (Previously Presented) An apparatus according to any one of claims 428 to 
430 or 431 wherein said composition comprises a perovskite-like structure. 

CLAIM 434 (Previously Presented) An apparatus according to any one of claims 428 to 
430 or 431 , wherein said composition comprises a perovskite characteristic, 

CLAiM 435 (Previously Presented) An apparatus according to any one of claims 428 to 
430 or 431 , wherein said composition comprises a perovskite related structure, 

CLAiM 436 (Currently Amended) An apparatus according to a nyon e any one of ciaims 
428 to 431 or 432, wherein said composition can be made according to known 
principals of ceramic science. 



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CLAIM 437 (Currently Amended) An apparatus according to claim 88 wherein said 
composition is a n oxid e layered. 

CLAiM 438 (Currently Amended) An apparatus comprising: a means a_ 
superconductive element for conducting a superconducting current at a temperature 
greater than or equal to 2S''K and a maafjs current source for providing an eiectnc 
current to flov-/ in said means for conducting a superconducting current , and 
said superconducting eiement comprising a transition metai, oxygen and at least one 
eiement seiected from the group consisting of a first eiement group, a second element 
group and combinations thereof, wherein said first element group comprises rare earth 
eiements, rare earth-like eiements and Group lilB elements and said second eiement 
group compnses alkaiine earth eiements and Group iiA elements . 

CLAiM 439 (Previously Presented) An apparatus according to claim 438, wherein said 
m^afts- superconductive element for conducting a superconductive current comprises a 
Tc greater than or equa! to 26°K. 

CLAiM 440 {Currently Amended) An apparatus according to claim 438, further including 
a temperature controller for capabie of maintaining said means for conducting a 
superconducting current at a said temperature. 

CLAiM 441 (Currently Amended) An apparatus according to affyoffe any one of ciaims 
438, 439 or 440, wherein said mearvs- superconductive elemeiit for conducting a 
superconducting current comprises oxygen a muitiphase materiai comprising least one 
superconducting phase . 

CLAIM 442 (Currently Amended) An apparatus according to anyof>e any one of claims 
438, 439 and 440, wherein said ffieaos -superconductive eiement for conducting a 
superconducting current comprises one or more of the groups consisting of Be, Mg, Ca, 
Sn Ba, Ra, Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. 



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CLAIM 443 (Currently Amended) An apparatus according to anyone any one of cSaims 
438, 439 or 440, wherein said meaf^superconductive element for conducting a 
superconducting current comprises one or more of Be. Mg, Ca, Sr, Ba and Ra and one 
or more of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. 

CLAiM 444 (Currently Amended) An apparatus according to anyon e any one of ciaims 
438, 439 and 440, wherein said means- superconductive eiement for conducting a 
superconducting current comprises a layered structure. 

CLAIM 445 (Currently Amended) An apparatus according to anyone an y one of ciaims 
438, 439 and 440, wfierein said ffleans- superconductive eiement for conducting a 
superconducting current comprises a substantially perovskite structure. 

CLAIM 446 (Currently Amended) An apparatus according to anyone any one of ciaims 
438, 439 and 440, wfierein said ffleans -superconductive eiement for conducting a 
superconducting current comprises a perovsi<ite~like structure, 

CLAIM 447 (Currently Amended) An apparatus according to anyone any one of ciaims 
438, 439 and 440, wfierein means- superconductive eiement for conducting a 
superconducting current comprises a perovsS<ite related structure. 

CLAIM 448 (Currently Amended) An apparatus according to anyoF>e any one of ciaims 
438, 439 and 440, wherein said mean-s- syperconductive eiement for conducting a 
superconducting current comprises a structure having a perovskite characteristic. 

CLAIM 449 (Currently Amended) An apparatus according to anyon e any one of ciaims 
438, 439 and 440, wherein said mean-s- superconductive eiement for conducting a 
superconducting current comprises a transition metal. 



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CLA!M 450 (Currently Amended) An apparatus according to affyoffe any one of ciaims 
438, 439 and 440, wherein said mean-s- superconductive eiement for conducting a 
superconducting current comprises a copper oxide. 

CLA!M 451 (Currently Amended) An apparatus according to aRyene any one of ciaims 
438, 439 and 440, wherein said means- superconductive eiement for conducting a 
superconducting current comprises oxygen in a nonstoichiomeric amount. 

CLA!M 452 (Curretniy Amended) An apparatus according to anyone any one of claims 
438, 439 and 440, wherein said means- superconductive eiement for conducting a 
superconducting current comprises a muitivaient transition metal. 

CLA!M 453 (Currently Amended) An apparatus according to anyone any one of claims 
438, 439 or 440, vi/'herein said meaas- superconductive element for conducting a 
superconducting current can be made according to known principles of ceramic 
science. 

CLAIM 454 (Currently Amended) An apparatus according to claim 441 , wherein said 
mean-s-superconductive element for conducting a superconducting current can be made 
according fo known principles of ceramic science. 

CLAIIV! 455 (Currently Amended) An apparatus according to claim 442, wherein said 
meai^s superconduct i ve e lement for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 456 (Currently Amended) An apparatus according to claim 443, wherein said 
means- superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 



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CLAIM 467 (Currently Amended) An apparatus according to claim 444, wherein said 
mean-s-- superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science, 

CLAIM 458 (Currently Amended) An apparatus according to claim 445, wherein said 
mean-s superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAiM 459 (Currently Amended) An apparatus according to clami 446, wherein said 
means- superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 460 (Currently Amended) An apparatus according to claim 447, wherein said 
mear^ superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 461 (Currently Amended) An apparatus according to claim 448, wherein said 
meafts-superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAiM 462 (Currently Amended) An apparatus according to claim 449, wherein said 
means- superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAiM 463 (Currently Amended) An apparatus according to claim 450, wherein said 
means - superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAiM 464 (Currently Amended) An apparatus according to claim 451 , wherein said 
meafis superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 



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CLAIM 465 (Currently Amended) An apparatus according to claim 452, wherein said 
ffleaf^superconductive element for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLA!M 466 (Currently Amended) An apparatus comprising; 

a superconductive GUffent- caf-r-y-tng element capabie of carrying a superconductive 
current comprising a -Tft-m-26aK Tc greater than or equal to 26'' K ; 

said superconductive GyrrefJt-GarFying element comprises a property selected from one 
or more of the group consisting of a mixed valent oxide, a transition metai, a mixed 
valent transition metal, a perovskite structure, a perovsi<ite-lii<e structure, a perovsi^rte 
reiated structure, a layered structure, a stoichiomeric or nonstoichiomeric oxygen 
contents and a dopant , and 

said said superconductive element comprising a transition metal oxypen and at least 
one element selected from the group consisting of a first element group, a second 
element group and combinations thereof, wherein said first element group comprises 
rare earth elements, rare earth-iike elements and Group HiB elements and said second 
eiement group comprises alkaline earth elements and Group IIA elements .. 

CLA!M 467 (Currently Amended) An apparatus according to claim 466, wherein said 
superconductive Gur-r-eRf-carryfng element is at a temperature greater than or egual to- 
2-6aK-26!K. 

CLAiM 468 (Currently Amended) An apparatus according to claim 466. further 
including a temperature controller fof- capable of maintaining said superconductive 
e-UFFent-ea Frying element at a temperature less than said Tc. 



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CLAIM 469 (Currently Amended) An apparatus according to aRyene any one of daims 
466. 467 or 468, wherein said superconductive GweRt-caFFyii^g eiement comprises one 
or more of the group consisting of Be, Mg, Ca, Sr, Ba, Ra, So, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, 

CLAIM 470 (Currently Amended) An apparatus according to a«yof>e any one of ciaims 
486, 467 or 468, wherein said superconducfive gyrr e nt c a FFy i og eiemenf comprises one 
or more of Be, Mg, Ca, Sr, Ba and Ra and one or more of Sc, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd, Tb. Dy, Ho, Er, Tm, Yb and Lu, 

CLAIM 471 (Currently Amended) An apparatus according to claim 469, wherein said 
superconduclive ouTOnt-eafPy^of eiemeni comprises a tfaffsiferHTietal copper . 

CLAIM 472 (Currently Amended) An apparatus according to claim 470, wherein said 
superconductive Gu-rrent-carryifjg eSement comprises a-tfansitiof>-m-etal copper 

CLAilVl 473 (Currently Amended) An apparatus according to anyone any one of ciaims 
466, 467, or 468, wherein said-sypefeof^duetinQ superconductive eyrrentcafrytf^g 
eiement can be made according to known principles of ceramic science. 

CLAiM 474 (Currently Amended) An apparatus according to of claim 471, wherein said- 
-&uperGonduGtincj superconductive cyrreftt-carryfng element can be made according to 
known principles of ceramic science. 

CLAiM 475 (Currently Amended) An apparatus according to of claim 472, wherein said- 
sypeFGond-yct-tn^ superconductive GurFert-GaFryl-ng element can be made according to 
known principles of ceramic science. 

CLAiM 476 (Currently Amended) An apparatus comprising: 



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a superconductive Gyrpent-caf'fying eiement capable of carrying a supercondcutive 
current comprising a -T,v-m-2SaK T, , greater than or equal to 26° K ; 

said superconductive e-uffan-t-caf-r-y-ifig element comprises afi transition metai oxide, a 
layered perovskite structure or a layered perovsktte-ltke structure and comprises a 
stoichiomeric or nonstoichiomeric oxygen content and at ieast one eSement selected 
from the group consisting of a first element group, a second element group and 
combinations thereof, wherein said first element group comprises rare earth elements, 
rare earth-like elements and Group liiB elements and said second element group 
comprises alkaline earth elements and Group HA elements , 

CLAIM 477 (Currently Amended) An apparatus according to claim 476, wherein said 
superconductive GUffent-Gaffy-in§ element is at a temperature greater than or equal to- 
aSa K 26°K . 

CLAIM 478 (Currently Amended) An apparatus according to claim 476, further 
Including a temperature controller for capable of maintaining said superconductive 
€UFfent-Gaffytf^ element at a temperature less than said Tc. 

CLAIM 479 (Currently Amended) An apparatus according to afiyofie any one of claims 
476, 477 or 478, wherein said superconductive cuFfenicaffylR^ element comprises one 
or more of the group consisting of Be, Mg, Ca, Sr. Ba, Ra, Sc, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. 

CLAIM 480 (Currently Amended) An apparatus according to anyenB any one of claims 
476, 477 or 478, vs/hereso said superconductive cuFfent-Gaffy-in^ element comprises one 
or more of Be, Mg, Ca, Sr, Ba and Ra and one or more of Sc, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. 



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CLAIM 481 (Currently Amended) An apparatus according to claim 479, wherein said 
superconductive Gwrrent-caFFyii^g element comprises a transitioft wetal multiphase 
materiai comprising a superconductive phase. 

CLAIM 482 (Currently Amended) An apparatus according to claim 480, wherein said 
superconductive GU-rrent-carFyifjg eiement comprises a-tfansitiof>-m-etal multiphase 
materiai comprising a superconductive phase . 

CLAiM 483 (Currently Amended) An apparatus according to clami 476, wherein said 
superconductive Gur-ref>t--caFryif}g eiement comprises copper oxide. 

CLAi!\^ 484 (Currently Amended) An apparatus according to anyone any one of ciaims 
476, 477 or 478. wherein said superconductive GUffent-Gaffy-in§ eiement can be made 
according to known principles of ceramic science. 

GLAiiVi 485 (Currently Amended) An apparatus according to claim 479, wherein said 
superconductive ouFfent-Gaffy-inf eiement can be made according to i<nown principles of 
ceramic science. 

CLAiM 486 (Currently Amended) An apparatus according to claim 480, wherein said 
superconductive ouTOnt-eafPy^of eiement can be made according to i<nown principles of 
ceramic science, 

CLAIM 487 (Currently Amended) An apparatus according to claim 481 , wherein said 
superconductive ouTOnt-eafPy^of eiement can be made according to i<nown principles of 
ceramic science. 

CLAIM 488 (Currently Amended) An apparatus according to claim 482, wherein said 
superconductive oufrent-c a rrying eiement can be made according to f<nown principles of 
ceramic science. 



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CLAIM 489 (Currently Amended) An apparatus according to claim 483, wherein said 
superconductive GWFert caFFyii^g element can be made according to i<nown principies of 
ceramic science. 

CLAIM 490 (Currently Amended) An apparatus according to claim 484, wherein said 
superconductive GU-rrent-carFyifjg eiement can be made according to known principies of 
ceramic science. 

CLAiM 491 (Currently Amended) An apparatus according to clami 485, wherein said 
superconductive Gur-r-eBt- caFryiBg element can be made according to known principies of 
ceramic science. 

CLAIM 492 (Previously Presented) The superconducting apparatus of claim 361 , where 
said phase is crystalline with a structure comprising a perovskite related structure, 

CLAiM 493 (Previously Presented) The superconducting apparatus of claim 362, where 
said phase is crystalline with a structure comprising a perovskite related structure, 

CLAIM 494 (Previously Presented) The combination of claim 12, where said 
composition includes a superconducting phase comprising a perovskite related 
structure. 

CLAIM 495 (Previously Presented) The combination of claim 379, wherein said 
crystalline structure comprises a perovskite related structure, 

CLAIM 496 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition comprising a copper-oxide compound having a crystal 



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structure comprising a perovskite related structure and a layered characteristic, the 
composition having a superconductor transition temperature Tc of greater than or equal 
to 26<*K; 



(b) -meaRS a temperature controiler fof capable of maintaining the superconductor 
eiement at a temperature greater than or equal to 26"* K and below the superconductor 
transition temperature Tc of the superconductive composition; and 

(c) ffl^ans a current source f©f capable of causing an eiectric current to fiow in the 
superconductor eiement : and 

(d) said superconductive composition comprising at ieast one eiement selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first eiement group comprises rare earth eiements, rare earth-lii<e 
eiements and Group If IB elements and said second element group comprises aii<aline 
earth elements and Group HA elements . 

ClAM 497 (Currently Amended) A superconductive apparatus for conducting an 
eiectric current essentially without resistive losses, comprising- 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure compnsing a layered charactenstic and a perovsi^tte 
related structure, the copper-oxide compound including at ieast one rare-earth or 
element comprising a rare earth characteristic and at least one alkaline-earth eiement, 
the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tq=o, the transition-onset temperature Tc being 
greater than or equal to 26°K; 



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(b) meaffs a temperature controiler for .capabje of maintaining the superconductor 
element at a temperature beiovv the effectiveiy-zero-buik-resistivity intercept 
temperature Tq:.o of the superconductive composition; and 

(c) fTieafts a current source fef capabie of causing an electric current to flow tn the 
superconductor eiement. 

CLAilVl 498 (Currentiy Amended) A superconductive apparatus for causing eiectric 
current fiovv in a superconductive state at a temperature greater than or equai to 26''K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide coinpound 
comprising a crystal structure comprising a iayered characteristic and a perovskite 
related structure, the composition having a superconductor transition temperature Tc of 
greater than or equal to 26''K; 

(b) a temperature controiier capable of maintaining the superconductor eiement at a 
temperature greater than or equai to 26'K and below the superconductor transition 
temperature T^; of the supercoiiductive composition; and 

(c) a source capabie of causing an eiectric current to flow in the superconductor 
eiement: and 

(d) said superconductive composition comprisinc) at ieast one eiement selected from the 
group consisting of a first element group, a second element group and combinations 
thereof, wherein said first element group comprises rare earth elements, rare earth-like 
elements and Group MiB elements and said second element group comprises alkaline 
earth elements and Group iiA elements . 

CLAIM 499 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentially vi'ithout resistive losses, comprising- 



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(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crysta! structure comprising a layered characteristic and a perovskite 
related structure, the copper-oxide compound including at least one rare-earth or rare- 
earth-iike element and at least one alkaline-earth element, the composition having a 
superconductive/resistive-transition defining a superconductive/resistive-transition 
temperature range between an upper iimit defined by a transition-onset temperature 
and a lower limit defined by an effectiveiy-zero-bulk-resistivity intercept temperature 
Tp^o, the transition-onset temperature Tc being greater than or equai to 26''K; 

(b) a temperature controller capable of maintainino the superconductor eiement at a 
temperature below the effectiveiy-zero-buik- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 500 (Currently Amended) An apparatus for causing electric-current flow in a 
superconductive state at a temperature greater than or equal to 2S''K, comprising; 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
related structure, the composition having a superconductive transition temperature Tc of 
greater than or equal to 26'*K, said superconductive composition includes at least one 
element selected from the group consisting of a Group I! A element, a rare earth 
eiement; and a Group III B eiement; 



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(b) a temperature controller capable of maintaining the superconductor eiement a! a 
temperature greater than or equa! to 26''K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an eiectric current to flow in the superconductor 
eiement 

CLAIM 501 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
reiated structure, the copper-oxide compound including at least one element selected 
from the group consisting of a Group !i A element, a rare earth element and a Group Hi 
B element, the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range betvi/een an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o , the transition-onset temperature Tc being 
greater than or equal to 26*K; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the e1fectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

eiement. 

CLAIM 502 (Currently Amended) A superconductive apparatus for causing electric- 
current flow in a superconductive state at a temperature greater than or equal to 2Q^K, 
comprising: 



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(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crysta! structure comprising a layered characteristic and a perovskite 
related structure, the composition having a superconductive transition temperature Tc of 
greater than or equal to 26"K, said superconductive composition inciudes at least one 
element selected from the group consisting of a Group !! A element and at least one 
element selected from the group consisting of a rare earth eSement and a Group 11! B 
element; 

(b) a temperature controlier capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 503 (Currently Amended) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising- 

(a) a superconductor element made of a superconductive composition, the 
uperconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
related structure, the copper-oxide compound iiicluding at least one element selected 
from the group consisting of a Group !1 A element and at least one element selected 
from the group consisting of a rare earth element and a Group !!! B element, the 
composition having a superconductive/resistive transition defining a superconductive- 
resistive-transition temperature range between an upper limit defined by a transition- 
onset temperature To and a lower limit defined by an effectiveiy-zero-bulk-resistivity 
intercept temperature Tp=o , the transition-onset temperature Tc being greater than or 
equal to 26° K; 



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(b) a temperature controller capable^ maintaining the superconductor eSement at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an eiectric current to flow in the superconductor 
element. 

CLAIM 504 (Currently Amended) A superconductive apparatus for causing etectric- 
cufxent flow in a superconductive state at a temperature greater than or equal to 26''K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal oxide 
compound comprising a crystal structure comprising a layered characteristic and a 
perovskite related structure, the composition having a superconductive transition 
temperature TcOf greater than or equal to 26°K, said superconductive composition 
includes an element selected from the group consisting of a Group 11 A element and at 
least one element selected from the group consisting of a rare earth element and a 
Group 1!! B element; 

(b) a temperature controller capable of maintaining the superconductor eiement at a 
temperature greater than or equal to 26°K and below the superconductor transition TcOf 
the superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 

element, 

CLAIM 505 (Currently Amended) A superconductive apparatus for conducting an 
electhc current essentially without resistive losses, comphsing: 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a transition metai-oxide 
compound comprising a crystal structure comprising a iayered characteristic and a 
perovskite related structure, the transition metal-oxide compound including at ieast one 
eiement seiected from the group consisting of a Group \l A element and at ieast one 
element seiected from tlie group consisting of a rare earth element and a Group III B 
eiement, the composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tcand a iovi^er limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature Tc being 
greater than or equal to 26°K; 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flov/ in the superconductor 
eiement. 

CLAIM 506 {Currently Amended) A superconductive apparatus for causing eiectric- 
current flow in a superconductive state at a temperature greater than or equal to 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a iayered characteristic and a perovskite 
related structure, the composition having a superconductive transition temperature Tc of 
greater than or equal to 26''K, said superconductive composition includes a Group I! A 
element, and at ieast one element selected from the group consisting of a rare earth 
eiement and a Group 111 B element; 



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(b) a temperature controller capable of maintaining the superconductor eiement a! a 
temperature greater than or equa! to 26''K and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a current source capable of causing an eiectric current to flow in the superconductor 
eiement 

CLAIM 507 (Currently Amended) A superconductive apparatus for conducting an 
eiectric current essentially without resistive losses, comprising; 

(a) a superconductor element made of a superconductive composition; the 
superconductive composition consisting essentiaily of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
related structure, the copper-oxide compound including Group !! A element, and at least 
one element selected from the group consisting of a rare earth element and a Group Hi 
B element, the composition having a superconductive-resistive transition defining a 
superconductive/res i stive-transit ion temperature range betvi^een an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature T^, being 
greater than or equal to 26*"^ 

(b) a temperature controller capable of maintaining the superconductor element at a 
temperature below the effectiveiy~zero~bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a current source capable of causing an electric current to flow in the superconductor 
element. 

CLAIM 508 (Currently Amended) An apparatus capable of carrying eiectric current fiow 
in a superconductive state at a temperature greater than or equal to 26°K, comprising; 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a layered characteristic and a perovskite 
related structure, the composition comprising a superconductor transition temperature 
Tc of greater tiian or equa! to 26^K; 

(b) a temperature controlier fof capable of maintaining the superconductor element at a 
temperature greater than or equai to 26''K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 

eiement, and 

(d) said superconductive composition comprising a transition metal, oxygen and at least 
one element selected from the group consisting of a first element group, a second 
element group and combinations thereof, wherein said first element group comprises 
rare earth elements, rare earth-like elements and Group iilB elements and said second 
eiement group comprises alkaline earth elements and Group \IA elements.. 

CLAIM 509 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or egual to 26''K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comphsing a layered charactehstic and a perovskite 
related structure, the composition comprising a superconductive transition temperature 
Tc of greater than or equal to 26*'K, said superconductive composition includes at least 
one element selected from the group consisting of a Group H A element, a rare earth 
eiement; and a Group Hi B eiement; 



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(b) a temperature controiier for capable of maintaining the superconductor element at a 
temperature greater tiian or equai to and beiow the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiement 

CLAIM 510 (Currently Amended) An apparatus capable of carrying an eiectric current 
esseotiaily without resistive iosses, comprising: 

(a) a superconductor element made of a superconductive composition^ the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure compnsing a layered charactensttc and a perovskite 
related structure, the copper-oxide compound including at least one element selected 
from the group consisting of a Group 1! A element, a rare earth element and a Group Hi 
B element, the composition comprising a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range betvi^een an upper limit defined 
by a transition-onset temperature Tc and a lovs/er limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature T^, being 
greater than or equal to 26''K; 

(b) a temperature controller fof capable of maintaining the superconductor element at a 
temperature below the effectiveiy~zero~bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 

element. 

CLAIM 51 1 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equal to 
comprising: 



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(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crysta! structure comprising a layered characteristic and a perovskite 
related structure, the composition comprising a superconductive transition temperature 
Tc of greater than or equa! to 26''K, said superconductive composition includes at ieast 
one element selected from the group consisting of a Group !! A element and at ieast 
one element selected from the group consisting of a rare earth element and a Group III 
B element; 

(b) a temperature controller fef capable of maintaining the superconductor element at a 
temperature greater than or equal to 26'"*K and below the superconductor transition 
temperature Tc of the superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
element. 

CLAIM 512 (Currentiy Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crysta! structure comprising a layered characteristic and a perovsi^lte 
related structure, the copper-oxide compound iiicluding at least one element selected 
from the group consisting of a Group 11 A element and at least one element selected 
from the group consisting of a rare earth element and a Group ill B element, the 
composition comprising a superconductive/resistive transition defining a 
superconductive-resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o , the transition-onset temperature Tc being 
greater than or equal to 26°K; 



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(b) a temperature controlier fof capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
supercor)ductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
element. 

CLAIIV! 513 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature greater than or equa! to 2S°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metai oxide 
compound comprising a crystal structure comprising a layered characteristic and a 
perovskite related structure, the composition compnsing a superconductive transition 
temperature Tc of greater than or equal to 26''K, said superconductive composition 
includes at least one element selected from the group consisting of a Group il A 
element and at least one element selected from the group consisting of a rare earth 
element and a Group HI B element; 

(b) a temperature controlier for capable of maintaining the superconductor element at a 
temperature greater than or equal to 26''K and below the superconductor transition Tc of 
the supercoiiductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 
element. 

CLAIM 514 (Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, compnsing: 



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(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially of a transition metai-oxide 
compound comprising a crystal structure comprising a iayered characteristic and a 
perovskite related structure, the transition metal-oxide compound including at ieast one 
eiement seiected from the group consisting of a Group \l A element and at least one 
element seiected from the group consisting of a rare earth element and a Group III B 
eiement, the composition comprising a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined 
by a transition-onset temperature Tc and a lower limit defined by an effectively-zero- 
bulk-resistivity intercept temperature Tp=o, the transition-onset temperature Tc being 
greater than or equal to 

(b) a temperature controller for capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an electric current to flow in the superconductor 
eiement. 

CLAIM 515 {Currently Amended) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a crystal structure comprising a iayered characteristic and a perovsi<;ite 
related structure, the copper-oxide compound including at ieast one element seiected 
from the group consisting of a group II A element, at ieast one element selected from 
the group consisting of a rare earth element and at least one eiement seiected from the 
group consisting of a Group HI B element, the composition comprising a 
superconductive-resistive transition temperature defining a superconductive/resistive- 
transition temperature range between an upper limit defined by a transition-onset 



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temperature Tc and a lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature Tp=o, the transition-onset temperature Tc being greater than or equa! to 
26^K; 



(b) a temperature controlier f©f capable of maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o of the 
superconductive composition; and 

(c) a source capable of providing an eiectric current to flow in the superconductor 
eiemeni 

CLAiM 516 (Currently Amended) An apparatus of claim 146 wherein said meao-s-IOF 
€aFrying-a-&yperGon4yGtive-<;yrfenl-is-Gompfised-<3f-an-ox-i4e composition comprises a 
multiphase material comprising a superconductive phase , 

CLAiM 51 7 (Currently Amended) An apparatus comprising: 

a superconductive eufreBf carfytf^g element capabie of carrying a superconductive 
current comprising aHFt-m-2^aK 
Tc: greater than or equai to 26° K : 

said superconductive GUfrervt-Gar-ryif^g element comprises a metallic, oxygen-deficient, 
perovskite-iike, mixed valent copper compound , said compound comprising a transition 
metaL oxygen and at ieast one eiement selected from the group consisting of a first 
eiement group, a second element group and combinations thereof wherein said first 
eiement group comprises rare earth elements, rare earth-iike elements and Group HIB 
elements and said second eiement group comprises alkaline earth elements and CBroup 
HA elements .. 



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CLAIM 518 (Currently Amended) An apparatus according to claim 517, wherein said 
superconductive Gwrrent-caFFyii^g element is at a temperature greater than or equal to - 
mm to 26"K. 

CLAiM 519 (Currently Amended) An apparatus according to claim 517, further 
including a temperature controiier fof- capable of maintaining said superconductive 
GUff-ent -GarryfRQ element at a temperature less than said Tc. 

CLAiM 520 (Currently Amended) An apparatus according to anyone any one of claims 
517, 518 or 519, wherein said superconductive Gyr-ref^t- caFryiBg element comprises one 
or more of the group consisting of Be, Mg, Ca, Sr, Ba, Ra, So, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd, Tb, Dy, Ho Er, Tm, Yb and Lu. 

CLAIM 521 (Currently Amended) An apparatus according to afiyoRS any one of ciaims 
517, 518 or 519, wherein said superconductive Gyrrent-GarFyifjg eiement comprises one 
or more of Be, Mg, Ca, Sr, Ba and Ra and one or more of Sc, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. 

CLAIM 522 (Currently Amended) An apparatus comprising: 

a superconductive GUffen-t-Gafryif^g element capabie of carrying a superconductive 
current comprising a -Tg-m--26aK T g greater than or equal to 26'' K : 

said superconductive GurFent-carry+ng element comprises a composition that can be 
made according to known principles of ceramic science , and 
said composition comprising a transition metal, oxygen and at least one element 
selected from the group consisting of a first element group, a second element group and 
combinations thereof, wherein said first element group comprises rare earth elements. 
rare earth-like elements and Group iilB elements and said second element group 
comprises alkaline earth elements and Group liA elements . 

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CLAIM 523 (Currently Amended) An apparatus according to claim 522, wherein said 
superconductive Gwrrent-caFFyii^g element is at a temperature greater than or equal to - 
mm 26'K. 

CLAiM 524 (Currently Amended) An apparatus according to claim 523, further 
including a temperature controiier fof- capable of maintaining said superconductive 
GUff-ent -GarryfRQ element at a temperature less than said Tc. 

CLAiM 525 (Currently Amended) An apparatus according to anyone any one of claims 
522, 523 or 524, wherein said superconductive Gyr-refft- caFryiBg element comprises one 
or more of the group consisting of Be, Mg, Ca, Sr, Ba, Ra, So, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd. Tb, Dy, Ho, Er. Tm, Yb and Lu. 

CLAIM 526 (Currently Amended) An apparatus according to afiyoRS any one of ciaims 
522, 523 or 524, wherein said superconductive Gyrrent-GarFyifjg eiement comprises one 
or more of Be, Mg, Ca, Sr, Ba and Ra and one or more of Sc, Y, La, Ce, Pr, Nd, Pm, 
Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, 

CLAIM 527 (Currently Amended) An apparatus according to claim 625, wherein said 
superconductive GurreRt-caFFyifig element comprises a tf ans^ioft -meta-l- a m u Itipha se 
material comprising a supercondcutive phase . 

CLAiM 528 (Currently Amended) An apparatus according to claim 526, wherein said 
superconductive Gyr-r-eRt-GaFFyfng element comprises a-tf ans-it-ion -metal- a m u Itipha se 
material comprising a supercondcutive phase . 

CLAiM 529 (Currently Amended) An apparatus according to claim 522, wherein said 
superconductive Gu-rrem-GaFFyifjg element comprises copper oxide. 



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CLAIM 530 (Currently Amended) An apparatus according to aRyene any one of daims 
522. 523 or 624, wherein said superconductive Gyrrent-carFyii^g element is substantiaily 
perovskite, 

CLAIM 531 (Currently Amended) An apparatus according to anyon e any one of claims 
522, 523 or 524, wherein said superconductive Gyrrent-earFyifjg eiement comprises a 
perovskite-iike structure. 

CLAIM 532 (Currently Amended) An apparatus according to anyone any one of claims 
522, 523 or 524, wherein said superconductive Gyr-refft- caFryiBg element comprises a 
perovskite related structure, 

CLAIM 533 (Currently Amended) An apparatus according to anyone any one of claims 
522, 523 or 524, wherein said superconductive eeffefrt- ^ rryifig element comprises a 
nonstoichiometric amount of oxygen. 

CLAIM 534 (Currently Amended) An apparatus according to anyone any one of claims 
522, 523 or 524, wherein said superconductive c urr e nt c a rryin g element comprises a 
layered structure, 

CLAIM 535 (Currently Amended) An apparatus comprising: a superconductor exhibiting 
a superconducting onset at an onset temperature greater than or equal to 26'' K, said 
superconductor being comprised of at least four elements, none of which is a means for 
carrying a superconducting current at a temperature greater than or equal to 26" K, 
means a temperature controller for capabie of maintaining said superconductor at an 
operating temperature in excess of said onset temperature to maintain said 
superconductor in a superconducting state and meaes a current source for capable of 
passing current through said superconductor while in said superconducting state , said 
superconductor comprises a transition metal, oxygen and at least one element selected 
from the group consisting of a first element group, a second element group and 
combinations thereof, wherein said first eiement group compnses rare earth elements. 

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rare earth-like eiements and Group \\\B elements and said second element group 



comprises alkaline earth eiements and Group HA eiements . 



CLAIM 536 (Currently Amended) An apparatus comprising: 

a means component for carrying a superconductive current exhibiting a 
superconducffve state at a temperature greater than or equal fo 26*K, 

a cooler for capable of cooiing said composition to a temperature greater than or equal 
to 25^K at which temperature said means for carrying a superconductive current 
exhibits said superconductive state, and 

a current source for capable of passing an electrical current through said composition 
while said composition is in said superconductive state : and 

said component comprising a transition metal, oxygen and at ieast one eiement 
seiected from the group consisting of a first eiement group, a second eiement group and 
combinations thereof, wherein said first eiement group comprises rare earth eiements, 
rare earth-like eiements and Group iliB elements and said second element group 
comprises alkaline earth eiements and Group liA eiements . 

CLAIIV! 537 (Currently Amended) An apparatus comprising: 

a metaliic. oxygen-deficient, perovskite-like, mixed valent transition metal composition 
exhibiting a superconductive state at a temperature greater than or equai to 26"^ 

a temperature controlier capabie of maintaining said composition at a temperature 
greater than or equal to 26''K at which temperature said composition exhibits said 
superconducffve state, aBd 



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a current source capable of passing an electrical current through said composition while 
said composition is in said superconductive state ; and 



said metailic. oxygen-deficient, perovskite-iike, mixed valent transition metal 
composition comprising a transition metal, oxygen and at least one element selected 
from the group consisting of a first element group, a second eSement group and 
combinations thereof, wherein said first element group comprises rare earth elements, 
rare earth-like elements and Group HiB elements and said second element group 
comprises alkaline earth elements and Group HA elements . 

CLAIM 538 (Currently Amended) The apparatus of ciaim 537, where said means4of - 
carryiR§a-&uf>erGond-UGiive-GUffen4 metallic, oxygen-deficient, perovskite-like. mixed 
valent transition metal composition is compfiseci-Qf-a-metal-QX-^de- layered . 

CLAIM 539 {Currently Amended) The apparatus of ciaim 537, where said means-fof- 
Gaf{w^g-^S4^FGonduGtive-GyffeR4 metallic, oxygen -deficient, perovskite-like. mixed 
valent transition metai composition is comprised of a-t-r-an-sition-metal -oxide a multiphase 
material comprising a superconductive phase . 

CLAIM 540 (Currently Amended) An apparatus comprising: 

a composition comprising oxygen exhibiting a superconductive state at a temperature 
greater than or equal to a temperature controller for capable of maintaining said 
composition at a temperature greater than or equal to at which temperature said 
composition exhibits said superconductive state, af>d 

a source capable of providing an electrical current through said composition while said 
composition is in said superconductive state : and 

said composition comprising a transition metai and at least one element selected from 
the group consisting of a first element group, a second eiement group and combinations 

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thereof, wherein said first eiement group comprises rare earth eiements. rare earth-like 



eiements and Group iMB elements and said second element group comprises aikaline 



earth elements and Group ilA elements . 



CLA!M 541 (Currently Amended) An apparatus according to claim 540, where said 
composition is oompfisecl-Gf a-me-tal-oxide Jayered. 

CLAilVl 542 (Currently Amended) An apparatus according to claim 541 where said 
composition iS comprised of of a-tFansft+OR-metal-ox-ide at least on e superconductive 
phase . 

CLAiM 543 (Currently Amended) A combination, comprising; 

an oxygen containing composition exhibiting the onset of a DC substantiaily zero 
resistance state at an onset temperature in excess of SO'^K, and 

m^a-ns a current source for capable of passing an eiectricai current through said 
composition while it is in said substantialiy zero resistance state : and 

said composition further comprising a transition metal, and at least one element 
seiected from the group consisting of a first eiement group, a second eiement group and 
combinations thereof, wherein said first eiement group comprises rare earth eiements, 
rare earth-like eiements and Group \\\B elements and said second element group 
comprises alkaline earth eiements and Group liA eiements . 

CLAiM 544 (Previously Presented) An apparatus according to claim 535, wherein said 
superconductor can be made according to f<nown principles of ceramic science. 

CLAiM 545 (Previously Presented) An apparatus according to claim 536, wherein said 
means for carrying a superconductive current can be made according to known 
principles of ceramic science. 



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CLAIM 546 (Previously Presented) An apparatus according to any one of claims 537, 
538 or 539 wherein said composition can be made according to known principies of 
ceramic science, 

CLAIM 547 (Previously Presented) An apparatus according to any one of claims 540, 
541 or 542 wherein said composition can be made according to known principles of 
ceramic science. 

CLAIM 548 (Previously Presented) A combination according to ciaim 543, wherein said 
composition can be made according to known principies of ceramic science. 

CLAIM 549 (Currently Amended) An apparatus according to anyone any one of ciaims 
496 to 514 or 515, wherein said superconductive element can be made according to 
known principles of ceramic science. 

CLAIM 550 (Previously Presented) An apparatus according to claim 516, wherein said 
means for carrying a superconductive current can be made according to known 
principles of ceramic science. 

CLAiM 551 (Currently Amended) An apparatus according to anyone any one of ciaims 
517 to 520 or 521 , wherein said superconductive GUF-rervt- Gar-ryiRg element can be made 
according to known principles of ceramic science. 

CLAIM 552 (New) An apparatus comprising: 

a composition comprising a transition metai, oxygen and any eiement selected from the 
group consisting of a Group il A eiement, a rare earth eiement and a Group III B 
eiement, where said composition is a mixed copper oxide having a non-stoichiomethc 
amount of oxygen therein and exhibiting a superconducting state at a temperature 
greater than or equal to 26°K; 



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a temperature controlier capabie of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 26°K; and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting stale. 

CLAIM 553 (New), An apparatus comprising: 

a composition comprising a transition meta!, oxygen and (1) a rare earth element or a 
rare earth-like eiement or a group 111 B eiement. and/or (2) an alkaline earth eiement or 
a Group fiA element, where said composition exhibits a superconducting state at a 
temperature greater than or equal to 26''K; 

a temperature controller capable of maintaining said composition in said 
superconducting state at a temperature greater than or equal to 26°K; and 

a current source capable of passing an electrical current through said composition while 
said composition is in said superconducting state, 

CLAIM 554 (New) A combination according to claim 58 wherein said transition metal is 
copper, 

CLAIM 555 (New) A combination according to claim 68 wherein said transition metal 
oxide is copper oxide. 

CLAIM 556 (New) An apparatus according to claim 94 wherein said transition metal 
oxide is copper oxide. 

CLAIM 557 (New) An apparatus according to claim 95 wherein said transition metal 
oxide is copper oxide. 



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CLAIM 558 (New) An apparatus according to claim 96 wherein said transition metal 
oxide is copper oxide. 

CLAIM 559 (New) A device according to claim 112 wherein said transition metal is 
copper, 

CLAIM 560 (New) A superconductive apparatus according to claim 139 wherein said 
transition metal is copper. 

CLAIM 561 (Hew) A structure comprising: 

a circuit comprising a circuit element comprising a materia! comprising a Tc greater 
than or equal to 26° K capable of carrying a superconducting current- 
said materia! comprises a transition metal oxygen and at least one element selected 
from the group consisting of a first element group, a second element group and 
combinations thereof; 

said first element group comprises rare earih elements, rare earth-like elements and 
Group illB elements, and 

said second element group comprises alkaline earth elements and Group HA elements, 

CLAIM 562 (New) An structure according to claim 561 further including a temperature 
controller capable of maintaining said material at a temperature less than or equal to 

said to said Tc, 

CLAIM 563 (New) A structure according to claim 561 further including a current source 
capable of providing said superconducting current. 



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CLAIM 564 (New) A structure according to claim 562 further induding a current source 
capabte of providing said superconducting current. 

CLAIM 565 (New) A structure according to claim 561 wherein said matertai is capable 
of being at a temperature less than or equal to said Tc and greater than or equal to 
26°K. 

CLAIM 566 (New) A structure according to claim 562 wherein said matertai is capable 
of being at a temperature less than or equal to said Tc and greater than or equal to 
26°K. 

CLAIM 567 (New) A structure according to claim 563 wherein said matertai is capable 
of being at a temperature less than or equal to said Tc and greater than or equal to 
26°K. 

CLAIM 568 (New) A structure according to claim 564 wherein said matertai is capable 
of being at a temperature less than equal to said Tc and greater than or equal to 26" K. 

CLAIM 569 (New) A structure according to claim 561 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered crystalline structure, 

a substantially layered structure, 

a substantially layered crystalline structure, 

a layered-like structure, 



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a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially iayered perovskite structure, 

a substantially iayered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure, 

a perovskite type structure, 

a structure comprtsing a perovskite characlertstic, 

a perovskite related structure, 

a crystailine structure, 

a layer-iike crystailine structure, 

a structure wliicli is structuraliy substantialiy sirmilar to an orthorhombic- 
tetragonai pSiase of said material, 

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a crystalline structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 

a distorted crystalline structure characterized by an oxygen deficiency, 

a structure comprising enhanced polaron formatton, 

a ceramic materia!, 

a ceramtc-iike materia!, 

a ceramic characteristic, 

a ceramic type materia!, 

a stoiciomeric oxygen content, 

a non-stoiciomeric oxygen content, 

a multivalent materia!, 

a multivalent transition metal. 

a transition meta! element capable of exhibiting multivalent states, 
a mixed valent material, 
mixed valent ions, 

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mixed valent transition metal ions, 
multivalent ions, 

muitivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in the RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, TM is a multivalent 
transition metal element having at least two valence states in said ceramic-like 
materia!, and 0 is oxygen wherein the ratio of the amounts of said transition 
metal in said two valence states being determined by the ratio RE; AE, 

a mixed copper oxide material including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio {AE,RE).Cu is 
substantially 1:1, 

a mixed copper oxide material including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 



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an aikaiine earth eiement substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth characteristic in said material 

a transition meta! oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with aikaiine earth doping, 

a substituted transition metai oxide, 

a mixed oxide with alkaline earth-iike doping, 

a copper oxide wherein said alkaline earth or aikaiine earth element is 
atomicaily large with respect to copper, 

a copper oxide doped with an aikaiine earth eiement, aikaiine earth like 
element, or an eiement with an aikaiine eartfi characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement. or said 
element with an alkaline earth charactertstic is near to the concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth charactertstic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 



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a mixed copper oxide doped with an element chosen to result in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element wfiich results 
in Cu^* ions in said materia!, 

a copper oxide wherein at least one other element is an element chosen to 
result in the presence of both Cu^"" and Cu^* ions, 

a substituted copper oxide exhibiting mixed valence states, 

a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to IB^K 

at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itself is not 
superconducting, 

a superconductor being an oxide having multivalent oxidation states, 

a transition metal oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said matena! that said material exhibits said superconductivity, 

a crystalline mixed valent oxide having a layer-like structure, 

at least one element in a nonstoichiometric atomic proportion. 

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a composition of the formuia BaKlaK-sCusOy wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540'' C to about 950" C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equai to 26"^ 

a composition of the formuia Bala^-xCusO^oY^ wherein x is from about 0.75 to 
about 1 and y iS the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 95Q°C and for times of 
about 15 minutes to about 12 hours, said composition having a meta! oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition wherein at least one eiement is in a nonstoichiometric atomic 
proportion; 

a composition comprising a metaliic, oxygen-deficient, perovskite-like, mixed 
vateni transition meta! compound, and 

combinations thereof. 



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CLAIM 570 (New) A structure according to claim 562 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered cry stai line structure, 

a substantia! iy layered structure, 

a substantially layered crystaliine structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 



a mixed copper oxide materia! including an alkaline earth element (AE) and a 

rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth ciiaracteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide. 



a mi:xed oxide with alkaline earth doping, 



a substituted transition metal oxide, 



a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or aikaiine earth element is 
atomicaily large with respect to copper, 

a copper oxide doped with an aikaiine earth eiement, aikaiine eartli like 
element, or an eiement with an aikaiine earth characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement, or said 
element with an alkaline earth characteristic is near fo the concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^" ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^'' and Cu'^" ions, 

a substituted copper oxide exhibiting mixed valence states. 

a superconductor being comprised of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to 26''K, 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 
a transition rmeta! oxide iiaving substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-like structure. 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula Ba>,La>,,5Cu<;0Y wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540"C to about 950''C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition of the formula BaLas-^CugOsfs-y), wheresn x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540*^0 to about 950° C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26''K, 

a composition wherein at least one element is in a nonstotchtometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-like, mixed 
vaient transition metal compound, and 



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combinations thereof. 

CLAIM 571 (New) A structure according to claim 563 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered crystalline structure, 

a substantia! iy iayered structure, 

a substantially iayered crystalline structure, 

a layered-l!i<;e structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantialiy iayered perovskite structure, 

a substantially iayered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

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a perovskite-like structure. 

a perovskite type structure, 

a structure comprising a perovskite cfiaracteristic, 

a perovskite related structure, 

a crystalline structure, 

a layer-iike crystailine structure, 

a structure wiiicii is structurally substantially similar to an orthorhombic- 
tetragonaS phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Telier polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-! ike materia!, 
a ceramic characteristic, 

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a ceramic type material 

a stoiciomeric oxygen content, 

a non-sloiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition meiai, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent materia!, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent ions, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 



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a ceramic-like materia! in the RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth eiement, TM is a multivalent 
transition metal element having at least two valence states in said ceramic-iike 
materia!, and 0 is oxygen wherein the ratio of the amounts of said transition 
meta! in said two vaience states being determined by the ratio RE: AE, 

a mixed copper oxide materia! including an ali<aline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio {AE,RE);Cu is 
substantlaliy 1:1, 

a mixed copper oxide material including an alkaline earth element (AE) and a 
rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure. 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with alkaline earth doping, 
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a substituted transition meta! oxide, 



a mixed oxide with a!l<a!!ne earth-iike doping, 

a copper oxide wherein said alkaline earth or alkaline earth element is 
atomically large with respect to copper, 

a copper oxide doped with an alkaline earth element, alkaline earth like 
element, or an element with an alkaline earth characteristic where the 
concentration of said alkaline earth element, alkaline earth like element, or said 
element with an alkaline earth characteristic is near to the concentration of said 
alkaline earth element , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonal structural phase 
transition, 

a mixed copper oxide doped with an element chosen to result in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said material, 

a copper oxide wherein at least one other element is an element chosen to 
result in the presence of both Cu^* and Cu^"" ions, 

a substituted copper oxide exhibiting mixed valence states, 

a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to 26°K, 

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at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having multivalent oxidation states, 
a transition metal oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said material that said material exhibits said superconductivity, 

a crystalline mixed valent oxide having a layer-like structure, 

at least one element in a nonstoichiomethc atomic proportion, 

a composition of the formula BaKLaK^CugOy wherein x is from about 0,75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950°C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26''K, 

a composition of the formula Balas-yCusOsta-y). wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540'^C to about 950'''C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26"^ 

a composition wherein at least one element is in a nonstotchtometric atomic 
proportion; 



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a composition comprising a metaliic, oxygen-deficient, perovskfte-lfl<;e, mixed 
vaient transition meta! compound, and 

combinations tiiereof. 



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CLAIM 572 (New) A structure according to claim 564 wherein said materia! comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered cry stai line structure, 

a substantia! iy iayered structure, 

a substantially iayered crystalline structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially iayered perovskite structure, 

a substantially iayered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 
a mixed copper oxide materia! including an a!!<a!ine earth element (AE) and a 
rare earth or rare earth-like eiement (RE) where the ratio {AE,RE);Cu is 
substantialiy 1:1 

a mixed copper oxide materia! including an a!!<a!ine earth element (AE) and a 
rare earth or rare earth-ltke eiement (RE) where the ratio {AE,RE);Cu is 
substantialiy 2:1 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an aikaiine earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth characteristic in said material 

a transition meta! oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with aikaiine earth doping, 

a substituted transition metai oxide, 

a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or alkaline earth element is 
atomfcally large with respect to copper, 

a copper oxide doped with an ai!<aiine earth element, alkaline earth like 
element, or an element with an alkaline earth characteristic where the 
concentration of said alkaline earth element, aikaiine earth like eiement, or said 
element with an alkaline earth characteristic is near fo fhe concentration of said 
alkaline earth element , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonal structural phase 
transition, 

a mixed copper oxide doped with an element chosen to result in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^" ions in said material, 

a copper oxide wherein at least one other element is an element chosen to 
result in the presence of both Cu^'' and Cu'^" ions, 

a substituted copper oxide exhibiting mixed valence states. 

a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to 26''K, 

at least four elements, none of which is itself a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states. 

a transition metai oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materiai that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-iike structure, 

at least one element in a nonsloichiometric atomic proportion, 

a composition of the formuia BaxLax-sCugOy wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about to about 950" C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equai to 26''K, 

a composition of the formuia BaLafj,./Cu?;0fj,(3-v), wherein x is from about 0.75 to 
about 1 and y iS the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 95Q°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

a composition wherein at least one eiement is in a nonstoichiometric atomic 
proportion; 



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a composition comprising a metaliic, oxygen-deficient, perovskite-like, mixed 
vaient transition metal compound, and 

combinations thereof. 

CLAIM 573 (New) A structure according to claim 565 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered crystalline structure, 

a substantia! !y layered structure, 

a substantialiy iayered crystaliine structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantialiy iayered perovskite structure, 

a substantialiy iayered perovskite crystal structure, 

a perovskite structure, 

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a substantiaiiy perovskite structure, 

a perovskite-iike structure, 

a perovskite type structure, 

a structure com prising a perovskite ciiaracteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-!ike crystalline structure, 

a structure which is structuraliy substantiaiiy similar to an orthorhombic- 
tetragona! phase of said material, 

a crystalline structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Telier polarons in said materia!, 
a distorted cryslaliine structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-!ike materia!, 

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a ceramic characteristic, 

a ceramic type materia!, 

a stoiciomeric oxygen content, 

a non-stoiciomeric oxygen content, 

a muitivalent materia!, 

a muitivalent transition metal, 

a transition meta! element capable of exhibiting multivalent states, 

a mixed valent materia!, 
mixed valent ions, 
mixed valent transition metal ions, 
multivalent tons, 

muitivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions. 
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a ceramic-iike materia! in the RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth eiement, TM is a multivalent 
transition metal element having at least two vaience states in said ceramic-iike 
material, and 0 is oxygen wherein the ratio of the amounts of said transition 
metal in said two valence stales being determined by the ratio RE: AE, 

a mixed copper oxide materia! including an aii<:aiine earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materiai including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 

an aikaiine earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with aikaiine earth doping. 



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a substituted transition metai oxide. 

a mixed oxide with alkaline eart!i~iike doping, 

a copper oxide wherein said alkaline earth or aikaiine earth eiement is 
atormicaily large with respect to copper, 

a copper oxide doped with an aikaiine earth eiement, aikaiine earth like 
element, or an eiement with an aikaiine eartfi characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement. or said 
element with an alkaline earth charactenstic is near to the concentration of said 
alkaline earth eiement . alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^'' ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
result in the presence of both Cu^* and Cu^^"" ions, 

a substituted copper oxide exhibiting mixed valence states, 



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a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equa! to 26''K, 

at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having multivalent oxidation states, 
a transition meta! oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said material exhibits said superconductivity, 

a crystalline mixed valent oxide having a layer-iike structure, 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula Ba:,La:,.5Cu50Y wherein x is from about 0,75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540''^C to about 950*^0 and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

a composition of the formula BaLas-xCugOso-y), wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540''C to about 950°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 2Q^K, 



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YOR919870074US5 



a composition wherein at least one element is in a nonstoichiometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-lii^e, mixed 
valent transition metal compound, and 

combinations thereof. 

CLAIIV! 574 (New) A structure according to claim 566 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered crystalline structure, 

a substantiaiiy layered structure, 

a substantiaiiy layered crystalline structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantiaiiy layered perovskite structure, 

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a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure, 

a perovskite type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystalline structure, 

a layer-like crystalline structure, 

a structure which is structurally substantially similar to an orthorhombic- 
tetragona! phase of said material, 

a crystalline structure which enhances eiectron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Teller polarons in said material, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic material, 
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a ceramic-iike materia!, 

a ceramic characteristic, 

a ceramic type materiai, 

a stoiciomeric oxygen content, 

a non-stoiciomeric oxygen content, 

a muitivaleni materiai, 

a muitivalent transition metal, 

a transition metai element capable of exhibiting muitivalent states, 

a mixed valent materia!, 

mixed valenf ions, 

mixed valent transition metai ions, 

muitivalent ions, 

muitivalent transition metal ions, 
muitivalent copper, 
multivalent copper ions, 

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mixed valent copper, 
mixed valent copper ions, 

a ceramic-like materia! in the RE-AE-TM-0 system, where RE is a rare eartli or 
near rare earth element, AE is an alkaline earth element TM is a multivalent 
transition metal element iiaving at feast two valence states in said ceramic-iike 
material, and 0 is oxygen wherein the ratio of the amounts of said transition 
metal in said two valence states being determined by the ratio RE: AE, 
a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE);Cu is 
substantially 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE);Cu is 
substantially 2.i 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 



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a mixed oxide with a!ka!ine earth doping, 



a substituted transition meta! oxide, 

a mixed oxide with alkaline eartli-iike doping, 

a copper oxtde wherein said alkaline earth or aikaiine earth eiement ts 
atomicaily large with respect to copper, 

a copper oxide doped with an alkaline earth eiement, aikaiine earth like 
element, or an eiement with an alkaline earth characteristic wiiere tiie 
concentration of said aikaiine earth element, alkaline earth like element, or said 
element with an alkaline earth characteristic is near to the concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonal structural phase 
transition, 

a mixed copper oxide doped with an element chosen to result in Cu^^ ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said material, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^* and Cu^"^ ions, 

a substituted copper oxide exhibiting mixed valence states, 

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a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to 26°K, 

at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 
a transition metal oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said material that said materia! exhibits said superconductivity. 

a crystalline mixed vaient oxide having a layer-like structure, 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula BaxLax-sCusOy wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540'^C to about 950'''C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition of the formula BaLas-xCusOsra-y), wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950*^0 and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

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a composition wherein at least one element is in a nonstoichiometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-like, mixed 
vaient transition metai compound, and 

combinations thereof. 



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CLAIM 575 (New) A structure according to claim 567 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered cry stai line structure, 

a substantia! iy layered structure, 

a substantially layered crystaliine structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 



a mixed copper oxide materia! including an alkaline earth element (AE) and a 

rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth ciiaracteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide. 



a mi:xed oxide with alkaline earth doping, 



a substituted transition metal oxide, 



a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or aikaiine earth eiement is 
atomicaily large with respect to copper, 

a copper oxide doped with an alkaline earth eiement, aikaiine earth like 
element, or an eiement with an aikaiine eartii characteristic where the 
concentraffon of said aikaiine earfh element^ aikaiine earth like eiemenf, or said 
element with an alkaline earth charactenstic is near to the concentration of said 
alkaline earth eiement , aikaiine earth like eiement or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragona! structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said materia!, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^"" and Cic^* ions, 

a substituted copper oxide exhibiting mixed valence states, 

a superconductor being comprised of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to IB^K 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states. 

a transition metai oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materiai that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-iike structure, 

at least one element in a nonsloichiometric atomic proportion, 

a composition of the formuia BaxLax-sCugOy wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about to about 950" C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equai to 26''K, 

a composition of the formuia BaLafj,./Cu?;0fj,(3-v), wherein x is from about 0.75 to 
about 1 and y iS the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 95Q°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

a composition wherein at least one eiement is in a nonstoichiometric atomic 
proportion; 



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a composition comprising a metaliic, oxygen-deficient, perovskite-like, mixed 
vaient transition metal compound, and 

combinations thereof. 



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CLAIM 576 (New) A structure according to claim 568 said materia! comprises at least 
one phase which comprises a property seiected from the group consisting of: 

a layered structure, 

a layered cry stai line structure, 

a substantia! !y !ayered structure, 

a substant!al!y layered crystalline structure, 

a layered-lf!<e structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovsl<ite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 



a mixed copper oxide materia! including an alkaline earth element (AE) and a 

rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth ciiaracteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide. 



a mi:xed oxide with alkaline earth doping, 



a substituted transition metal oxide, 



a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or aikaiine earth eiement is 
atomicaily large with respect to copper, 

a copper oxide doped with an aikaiine earth eiement, ailoiine eartli like 
element, or an eiement with an aikaiine earth characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement, or said 
element with an alkaline earth charactenstic is near fo fhe concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth charactenstic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^" ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^'' and Cu'^" ions, 

a substituted copper oxide exhibiting mixed valence states. 

a superconductor being comprised of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to 26''K, 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 
a transition rmeta! oxide iiaving substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-like structure. 

at least one element in a nonstoichiomethc atomic proportion, 

a composition of the formuia BaxLax-sCugOy wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950*^0 and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition of the formula BaLas-^CugOsfs-y), wheresn x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540*^0 to about 950° C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a chtical temperature greater 
than or equa! to 26''K, 

a composition wherein at least one element is in a nonstotchtometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-like, mixed 
vaient transition metai compound, and 



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combinations thereof. 



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CLAIM 577 (New) A structure according to claim 561 , wherein said transition metai is 
seiected from the group consisting of copper, nickel and chromium, 

CLAIM 578 (New) A structure according to claim 561 wherein said rare earth~iii<e 
elements comprise a rare earth characteristic. 

CLAiM 579 (New) A structure according to claim 561 wherein said composition 
comprises one or more of Be, Mg, Ca, Sr Ba, Ra, So, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, 
Gd, Tb. Dy, Ho, Er, Tm, Yb and Lu, 

CLAiM 580 (New) A structure according to claim 561 wherein said composition 
comprises one or more of one or more of of Be, Mg, Ca, Sr, Ba and Ra and one or more 
of Sc, Y, La, Ce. Pr Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho. Er Tm, Yb and Lu. 

CLAiM 581 (New) A structure according to claim 561 wherein said materiai can be 
made according to known principles of ceramic science. 

CLAiM 582 (New) A structure according to claim 561 wherein said material comprises 
a metallic, oxygen-deficient, perovskite-like, mixed valent transition metal compound. 

CLAi!\^ 583 (New) A structure according to claim 561 wherein said material comprises 
a metallic, oxygen~deficieiit, perovskite-like, mixed valent copper compound. 

CLAIM 584 (New) A structure according to claim 561 wherein said material comprises 
a multtpiiase materia! wherein at least one phase exhibits superconductivity. 

CLAIM 585 (New) A structure according to claim 661 wherein said structure is selected 
from the group consisting of an apparatus, a device and a combination. 



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CLAIM 586 (New) A structure according to claim 561 wherein said material comprises 
at least one eiement selected from each of said first element group and said second 
eiement group. 

CLAIM 587 (New) A stnjcture according to any one of daims 561 to 585 or 686 wherein 
said structure is selected from the group consisting of; 

a power generation device, 

an eiectrtcai power transmission device, 

an eiectricai power transmission element, 

a coii, 

a magnet, 

a piasma device, 

a nuclear device, 

a nuclear magnetic resonace device, 

a nuclear magnetic imaging device, 

a magnetic levitation device, 

a power gerneation system, 

a thermonuciear fusion device, 

a switching device, 

a Josephson junction device. 

an eiectricai packaging device, 

a circuit device, 

a eiectronic instrumentation device, 
a magnetic suceptomoter, and 
a magnetometer. 

CLAiM 588 (New) A structure according to any one of daims 561 to 586 or 587 wherein 
said structure is a coil comprised of said material. 

CLAM 589 (New) A structure according to claim 588 wherein said material possesses 
substantially zero eiectricai resistance. 



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CLAIM 590 (New) A structure according to claim 588 wherein said coi! possesses 
substantia! ly zero electrical resistance. 

CLAIM 591 A structure according to claim 561 where in satd structure is selected from 
tiie group consisting of a device, an apparatus, a circuit and a combination. 

CLAIM 592 (New) A structure according to any one of claims 561 to 590 or 591 wtierein 
said material possesses substantially zero electrical resistance. 

CLAIM 593 (New) A structure according to any one of claims 561 to 586 or 587 wherein 
said circuit element has an input capable of receiving an input current and an output 
capable of outputting an output current through substantially zero electrical resistance, 
between said input and said output. 

CLAIM 594 (New) A structure according to claim 593 wherein said material possesses 
substantially zero electrical resistance, 

CLAIM 595 (New) A structure according to any one of claims 561 to 586 or 587 vv^herein 
said circuit element has an input capable of receiving an input current and an output 
capable of outputting an output through substantially zero electrical resistance, between 
said input and said output. 

CLAIM 596 (New) A structure according to claim 595 wherein said material possesses 
substantially zero electrical resistance. 

CLAIM 597 (New) A stnjcture according to any one of claims 561 to 590 or 591 wherein 
said structure is designed for said circuit element to be capable of carrying said 
superconducting current. 



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CLAIM 598 (New) A stnjcture according to claim 697 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAIM 599 (New) A stnjcture according to claim 593 wherein said structure is designed 
for said circuit eiement to be capable of carrying said superconducting current. 

CLAIM 600 (New) A structure according to claim 599 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAIM 601 (New) A structure according to claim 595 wherein said structure is designed 
for said circuit eiemeni to be capable of carrying said superconducting current. 

CLAIM 602 (New) A stnjcture according to claim 601 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAM 603 (New) A structure according to any one of ciaims 561 to 586 or 587 wherein 
said circuit element is capable of carrying a superconducting current flowing therein 
through substanttaliy zero electrical resistance. 

CLAi!\^ 604 (New) A structure according to claim 603 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAIM 605 (New) A structure comprising: 

a circuit compnsing a circuit element comprising a materia! comprising a Tc greater than 
or equal to 26°K, said material exhibiting a substantiaily zero resistance to the flow of 
eiectrica! current therethrough when in a superconducting state; 



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said materia! comprises a transition metal, oxygen and at least one element selected 
from the group consisting of a first element group, a second element group and 
combinations thereof; 

said first element group comprises rare earth elements, rare earth-like elements and 
Group liiB elements, and 

said second element group comprises alkaline earth elements and Group HA elements. 



CLAIM 606 (New) An structure according to claim 605 further including a temperature 
controller capable of maintaining said material at a temperature less than or equal to 

said to saidTc. 

CLAIM 607 (New) A structure according to claim 505 further including a current source 
capable of providing said superconducting current. 

CLAIM 608 (New) A structure according to claim 606 further including a current source 
capable of providing said superconducting current. 

CLAIM 609 (New) A structure according to claim 605 wherein said material is capable 
of being at a temperature less than or equal to said Tc and greater than or equal to 
26'K. 

CLAIM 610 (New) A structure according to claim 602 wherein said material is capable 
of being at a temperature less than or equal to said Tc and greater than or equal to 

26°K, 



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CLAIM 61 1 (New) A structure according to claim 607 wherein said materiai is capabie 
of being at a temperature iess than or equai to said Tc and greater than or equal to 

CLAIM 612 (New) A structure according to claim 608 wherein said materiai is capable 
of being at a temperature iess than equal to said Tc and greater than or equal to 26'^K. 

CLAIM 613 (New) A structure according to claim 605 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered cry sla! line structure, 

a substantiaiiy layered structure, 

a substantially layered crystalline structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

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a perovskite structure, 

a substantial !y perovskite structure, 

a perovskite-like stajcture, 

a perovskite type structure, 

a structure comprising a perovskite cfiaracteristic, 

a perovskite related structure, 

a crystalline structure, 

a layer-iike crystalline structure, 

a structure which is structurally substantially similar to an orthorhombic- 
tetragona! phase of said material, 

a crystalline structure vi^htch enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Teller polarons in said material, 
a distorted crystalline structure characterized by an oxygen deficiency, 

a structure comprising enhanced polaron formation, 
a ceramic material, 



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a ceramic-like materia!, 

a ceramic characteristic, 

a ceramic type material, 

a stoiciomeric oxygen content, 

a non~stoiC!omeric oxygen content, 

a multivalent materia!, 

a muitivalent transition metal, 

a transition meta! element capable of exhibiting muitivalent stales, 

a mixed valent materia!, 

mixed valent ions, 

mixed valent transition metal ions, 

muitivalent ions, 

muitivalent transition metal ions, 
muitivalent copper, 
multivalent copper ions, 
mixed valent copper, 
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mixed valent copper ions. 



a ceramtc-!ike materia! in the RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, TM is a multivalent 
transition metal element having at ieast two vaience states in said ceramic-iike 
materia!, and 0 is oxygen wherein the ratio of the amounts of said transition 
metai in said two vaience states being determined by tiie ratio RE: AE, 

a mixed copper oxide material including an ali<aline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE);Cu is 

substantialiy 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE);Cu is 
substantialiy 2.i 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

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a mixed oxide with a!ka!ine earth doping, 



a substituted transition meta! oxide, 

a mixed oxide with alkaline eartli-iike doping, 

a copper oxtde wherein said alkaline earth or aikaiine earth eiement ts 
atomicaily large with respect to copper, 

a copper oxide doped with an alkaline earth eiement, aikaiine earth like 
element, or an eiement with an alkaline earth characteristic wiiere tiie 
concentration of said aikaiine earth element, alkaline earth like element, or said 
element with an alkaline earth characteristic is near to the concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonal structural phase 
transition, 

a mixed copper oxide doped with an element chosen to result in Cu^^ ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said material, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^* and Cu^*' ions, 

a substituted copper oxide exhibiting mixed valence states, 

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a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to 26°K, 

at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 

a transition meta! oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said materia! exhibits said superconductivity, 

a crystalline mixed vaient oxide having a layer-iike structure, 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula Ba>:La>:_5Cu50r wherein x is from about 0 75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540*^0 to about 950° C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26''K, 

a composition of the formuia BaLa5-)(Cu505(3-y^ wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540''^ C to about 950*^0 and for times of 
about 15 minutes to about 12 hours, said composition having a meta! oxide 

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phase which exhibits a superconducting state at a critical temperature greater 
than or equai to 26°K, 

a composition wherein at least one element is in a nonstoichiometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient^ perovskite-like, mixed 
vaient transition metal compound, and 

combinations thereof. 



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CLAIM 614 (New) A structure according to claim 606 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered cry stai line structure, 

a substantia! iy layered structure, 

a substantially layered crystaliine structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 



a mixed copper oxide materia! including an alkaline earth element (AE) and a 

rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth ciiaracteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide. 



a mi:xed oxide with alkaline earth doping, 



a substituted transition metal oxide, 



a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or aikaiine earth eiement is 
atomicaily large with respect to copper, 

a copper oxide doped with an aikaiine earth eiement, ailoiine eartli like 
element, or an eiement with an aikaiine earth characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement, or said 
element with an alkaline earth charactenstic is near fo fhe concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth charactenstic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^" ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^'' and Cu'^" ions, 

a substituted copper oxide exhibiting mixed valence states. 

a superconductor being comprised of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to 26''K, 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 
a transition rmeta! oxide iiaving substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-like structure. 

at least one element in a nonstoichiomethc atomic proportion, 

a composition of the formuia BaxLax-sCugOy wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950*^0 and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition of the formula BaLas-^CugOsfs-y), wheresn x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540*^0 to about 950° C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a chtical temperature greater 
than or equa! to 26''K, 

a composition wherein at least one element is in a nonstotchtometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-like, mixed 
vaient transition metai compound, and 



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combinations thereof. 

CLAIM 615 (New) A structure according to claim 607 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered crystalline structure, 

a substantia! iy iayered structure, 

a substantially iayered crystalline structure, 

a layered-l!i<;e structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantialiy iayered perovskite structure, 

a substantially iayered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

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a perovskite-like structure. 

a perovskite type structure, 

a structure comprising a perovskite cfiaracteristic, 

a perovskite related structure, 

a crystalline structure, 

a layer-iike crystailine structure, 

a structure wiiicii is structurally substantially similar to an orthorhombic- 
tetragonaS phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Telier polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-! ike materia!, 
a ceramic characteristic, 

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a ceramic type material 

a stoiciomeric oxygen content, 

a non-sloiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition meiai, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent materia!, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent ions, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 



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a ceramic-like materia! in the RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth eiement, TM is a multivalent 
transition metal element having at least two valence states in said ceramic-iike 
materia!, and 0 is oxygen wherein the ratio of the amounts of said transition 
meta! in said two vaience states being determined by the ratio RE: AE, 

a mixed copper oxide materia! including an ali<aline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio {AE,RE);Cu is 
substantlaliy 1:1, 

a mixed copper oxide material including an alkaline earth element (AE) and a 
rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure. 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with alkaline earth doping, 
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a substituted transition meta! oxide, 



a mixed oxide with a!l<a!!ne earth-iike doping, 

a copper oxide wherein said alkaline earth or alkaline earth element is 
atomically large with respect to copper, 

a copper oxide doped with an alkaline earth element, alkaline earth like 
element, or an element with an alkaline earth characteristic where the 
concentration of said alkaline earth element, alkaline earth like element, or said 
element with an alkaline earth characteristic is near to the concentration of said 
alkaline earth element , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonal structural phase 
transition, 

a mixed copper oxide doped with an element chosen to result in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said material, 

a copper oxide wherein at least one other element is an element chosen to 
result in the presence of both Cu^* and Cu^"" ions, 

a substituted copper oxide exhibiting mixed valence states, 

a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to 26°K, 

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at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having multivalent oxidation states, 
a transition metal oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said material that said material exhibits said superconductivity, 

a crystalline mixed valent oxide having a layer-like structure, 

at least one element in a nonstoichiomethc atomic proportion, 

a composition of the formula BaKLaK^CugOy wherein x is from about 0,75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950°C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26''K, 

a composition of the formula Balas-yCusOsta-y). wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540'^C to about 950'''C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26"^ 

a composition wherein at least one element is in a nonstotchtometric atomic 
proportion; 



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a composition comprising a metaliic, oxygen-deficient, perovskfte-lfl<;e, mixed 
vaient transition meta! compound, and 

combinations tiiereof. 



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CLAIM 616 (New) A structure according to claim 698 wherein said materia! comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered cry stai line structure, 

a substantia! iy iayered structure, 

a substantially iayered crystalline structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially iayered perovskite structure, 

a substantially iayered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 
a mixed copper oxide materia! including an a!!<a!ine earth element (AE) and a 
rare earth or rare earth-like eiement (RE) where the ratio {AE,RE);Cu is 
substantialiy 1:1 

a mixed copper oxide materia! including an a!!<a!ine earth element (AE) and a 
rare earth or rare earth-ltke eiement (RE) where the ratio {AE,RE);Cu is 
substantialiy 2:1 

a structure comprising a distorted octahedra! oxygen environment, 
a distorted orthorhombic crystalline structure, 

an aikaiine earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth characteristic in said material 

a transition meta! oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with aikaiine earth doping, 

a substituted transition metai oxide, 

a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or ali^aline earth element is 
atomicaily large with respect to copper, 

a copper oxide doped with an aii<aiine earth eiement, aikaiine earth iii<e 
element, or an eiement with an aikaiine eartfi characteristic where the 
concentration of said aikaiine earth element, ai!<aiine earth like eiement, or said 
element with an alkaline earth characteristic is near fo fhe concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^" ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^'' and Cu'^" ions, 

a substituted copper oxide exhibiting mixed valence states. 

a superconductor being comphsed of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to 26''K, 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states. 

a transition metai oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materiai that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-iike structure, 

at least one element in a nonsloichiometric atomic proportion, 

a composition of the formuia BaxLax^sCugOv wfierein x is from about 0.76 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equai to 26''K, 

a composition of the formuia BaLas-xCugOso-y), wherein x is from about 0.76 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 960°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

a composition wherein at least one eiement is in a nonstoichiometric atomic 
proportion; 



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a composition comprising a metaliic, oxygen-deficient, perovskite-like, mixed 
vaient transition metal compound, and 

combinations thereof. 

CLAIM 617 (New) A structure according to claim 609 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered crystalline structure, 

a substantia! !y layered structure, 

a substantialiy iayered crystaliine structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantialiy iayered perovskite structure, 

a substantialiy iayered perovskite crystal structure, 

a perovskite structure, 

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a substantiaiiy perovskite structure, 

a perovskite-iike structure, 

a perovskite type structure, 

a structure com prising a perovskite ciiaracteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-!ike crystalline structure, 

a structure which is structuraliy substantiaiiy similar to an orthorhombic- 
tetragona! phase of said material, 

a crystalline structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Telier polarons in said materia!, 
a distorted cryslaliine structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-!ike materia!, 

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a ceramic characteristic, 

a ceramic type materia!, 

a stoiciomeric oxygen content, 

a non-stoiciomeric oxygen content, 

a muitivalent materia!, 

a muitivalent transition metal, 

a transition meta! element capable of exhibiting multivalent states, 

a mixed valent materia!, 
mixed valent ions, 
mixed valent transition metal ions, 
multivalent tons, 

muitivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions. 
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a ceramic-iike materia! in the RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth eiement, TM is a multivalent 
transition metal element having at least two vaience states in said ceramic-iike 
material, and 0 is oxygen wherein the ratio of the amounts of said transition 
metal in said two valence stales being determined by the ratio RE: AE, 

a mixed copper oxide materia! including an aii<:aiine earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materiai including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 

an aikaiine earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 

a mixed oxide with aikaiine earth doping. 



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a substituted transition metai oxide. 

a mixed oxide with alkaline eart!i~iike doping, 

a copper oxide wherein said alkaline earth or aikaiine earth element is 
atormicaily large witli respect to copper, 

a copper oxide doped with an aikaiine earth eiement, aikaiine eartii like 
element, or an eiement with an aikaiine eartii characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement. or said 
element with an alkaline earth charactenstic is near to the concentration of said 
alkaline earth eiement . alkaline earth like element or said element with an 
alkaline earth charactenstic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^'' ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
result in the presence of both Cu^* and Cu^^"" ions, 

a substituted copper oxide exhibiting mixed valence states, 



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a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equa! to 26''K, 

at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having multivalent oxidation states, 
a transition meta! oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said material exhibits said superconductivity, 

a crystalline mixed valent oxide having a layer-iike structure, 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula BaxLax-sCusOy wherein x is from about 0,75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about SSCC and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

a composition of the formula BaLas-xCugOso-y), wherein x is from about 0.76 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540''C to about 950°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 2Q^K, 



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a composition wherein at least one element is in a nonstoichiometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-lii^e, mixed 
valent transition metal compound, and 

combinations thereof. 

CLAIIV! 618 (New) A structure according to claim 610 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of: 

a layered structure, 

a layered crystalline structure, 

a substantia! iy layered structure, 

a substantialiy layered crystalline structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantialiy layered perovskite structure, 

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a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure, 

a perovskite type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystalline structure, 

a layer-like crystalline structure, 

a structure which is structurally substantially similar to an orthorhombic- 
tetragona! phase of said material, 

a crystalline structure which enhances eiectron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn-Teller polarons in said material, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic material, 
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a ceramic-iike materia!, 

a ceramic characteristic, 

a ceramic type materiai, 

a stoiciomeric oxygen content, 

a non-stoiciomeric oxygen content, 

a muitivaleni materiai, 

a muitivalent transition metal, 

a transition metai element capable of exhibiting muitivalent states, 

a mixed valent materia!, 

mixed valenf ions, 

mixed valent transition metai ions, 

muitivalent ions, 

muitivalent transition metal ions, 
muitivalent copper, 
multivalent copper ions, 

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mixed valent copper, 
mixed valent copper ions, 

a ceramic-like materia! in the RE-AE-TM-0 system, where RE is a rare eartli or 
near rare earth element, AE is an alkaline earth element TM is a multivalent 
transition metal element iiaving at feast two valence states in said ceramic-iike 
material, and 0 is oxygen wherein the ratio of the amounts of said transition 
metal in said two valence states being determined by the ratio RE: AE, 
a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE);Cu is 
substantially 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE);Cu is 
substantially 2.i 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-like element or rare earth characteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide, 

a mixed oxide, 



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a mixed oxide with a!ka!ine earth doping, 

a substituted transition meta! oxide, 

a mixed oxide with alkaline eartli-iike doping, 

a copper oxtde wherein said alkaline earth or aikaiine earth element is 
atomicaily large with respect to copper, 

a copper oxide doped with an alkaline earth element, aikaiine earth like 
element, or an element with an alkaline earth characteristic where the 
concentration of said aikaiine earth element, alkaline earth like element, or said 
element with an alkaline earth characteristic is near to the concentration of said 
alkaline earth element , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonal structural phase 
transition, 

a mixed copper oxide doped with an element chosen to result in Cu^^ ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said material, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^* and Cu^*' ions, 

a substituted copper oxide exhibiting mixed valence states, 



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a superconductor being comprised of at least four elements, none of which is 
itself superconducting at a temperature greater than or equal to 26°K, 

at least four elements, none of which is itself a superconductor, 

a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 
a transition metal oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said material that said materia! exhibits said superconductivity. 

a crystalline mixed vaient oxide having a layer-like structure, 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula BaxLax-sCusOY wherein x is from about 0,75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 640°C to about SSO^C and for times of 
about 15 minutes to about 12 hours, said composition having a meta! oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition of the formula BaLas-xCusOsra-y), wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950*^0 and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 



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a composition wherein at least one element is in a nonstoichiometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-like, mixed 
vaient transition metai compound, and 

combinations thereof. 



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CLAIM 619 (New) A structure according to claim 61 1 wherein said material comprises 
at least one phase which comprises a property selected from the group consisting of; 

a layered structure, 

a layered cry stai line structure, 

a substantia! iy layered structure, 

a substantially layered crystaliine structure, 

a layered-like structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovskite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 



a mixed copper oxide materia! including an alkaline earth element (AE) and a 

rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth ciiaracteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide. 



a mi:xed oxide with alkaline earth doping, 



a substituted transition metal oxide, 



a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or aikaiine earth element is 
atomicaily large with respect to copper, 

a copper oxide doped with an alkaline earth eiement, aikaiine earth like 
element, or an eiement with an aikaiine earth characteristic where the 
concentrafion of said aikaiine earth element^ aikaiine earth like eiemenf, or said 
element with an alkaline earth charactenstic is near to the concentration of said 
alkaline earth eiement , aikaiine earth like eiement or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragona! structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^* ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^"" and Cic^* ions, 

a substituted copper oxide exhibiting mixed valence states, 

a superconductor being comprised of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to IB^K 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states. 

a transition metai oxide having substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materiai that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-iike structure, 

at least one element in a nonsloichiometric atomic proportion, 

a composition of the formuia BaxLax^sCugOv wfierein x is from about 0.76 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 950°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equai to 26''K, 

a composition of the formuia BaLas-xCugOso-y), wherein x is from about 0.76 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540°C to about 960°C and for times of 
about 15 minutes to about 12 hours, said composition having a metai oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26°K, 

a composition wherein at least one eiement is in a nonstoichiometric atomic 
proportion; 



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a composition comprising a metaliic, oxygen-deficient, perovskite-like, mixed 
vaient transition metal compound, and 

combinations thereof. 



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CLAIM 620 (New) A structure according to claim 618 said materia! comprises at least 
one phase which comprises a property seiected from the group consisting of: 

a layered structure, 

a layered cry stai line structure, 

a substantia! !y !ayered structure, 

a substant!al!y layered crystalline structure, 

a layered-lf!<e structure, 

a layered-type structure, 

a layered characteristic, 

a layered perovsl<ite structure, 

a layered perovskite crystal structure, 

a substantially layered perovskite structure, 

a substantially layered perovskite crystal structure, 

a perovskite structure, 

a substantially perovskite structure, 

a perovskite-like structure. 

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a perovsktte type structure, 

a structure comprising a perovskite characteristic, 

a perovskite related structure, 

a crystailine structure, 

a layer-like crystailine structure, 

a structure which is structurally substantially similar to an orthorhombic- 

tetragona! phase of said material, 

a crystailine structure which enhances electron-phonon interactions to produce 
superconductivity, 

a structure enhancing the number of Jahn~Tel!er polarons in said materia!, 
a distorted crystalline structure characterized by an oxygen deficiency, 
a structure comprising enhanced polaron formation, 
a ceramic materia!, 
a ceramic-iike material, 
a ceramic characteristic, 
a ceramic type material, 
a stoiciomeric oxygen content. 
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a non-stoiciomeric oxygen content, 

a muitivalent material, 

a multivalent transition metal, 

a transition metal element capable of exhibiting multivalent states, 

a mixed valent material, 

mixed valent ions, 

mixed valent transition metal ions, 

multivalent tons, 

multivalent transition metal ions, 
multivalent copper, 
multivalent copper ions, 
mixed valent copper, 
mixed valent copper ions, 

a ceramic-like material in ttie RE-AE-TM-0 system, where RE is a rare earth or 
near rare earth element, AE is an alkaline earth element, JM is a multivalent 
transition metal element iiaving at least two valence states in said ceramic-iike 



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materia!, and O is oxygen wlierein the ratio of tlie amounts of said transition 
meta! in said two vaience states being determined by tiie ratio RE; AE, 



a mixed copper oxide materia! including an alkaline earth element (AE) and a 

rare earth or rare earth-li!<e element (RE) where the ratio (AE,RE):Cu is 
substantially 1:1 

a mixed copper oxide materia! including an alkaline earth element (AE) and a 
rare earth or rare earth-like element (RE) where the ratio (AE,RE):Cu is 
substantially 2:1 

a structure comprising a distorted octahedral oxygen environment, 
a distorted orthorhombic crystalline structure, 

an alkaline earth element substituted for at least one atom of said rare earth, 
rare earth-iike element or rare earth ciiaracteristic in said material 

a transition metal oxide, 

a mixed transition metal oxide, 

a copper oxide. 



a mi:xed oxide with alkaline earth doping, 



a substituted transition metal oxide, 



a mixed oxide with alkaline earth-iike doping, 



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a copper oxide wherein said alkaline earth or aikaiine earth element is 
atomicaily large with respect to copper, 

a copper oxide doped with an aikaiine earth eiement, aikaiine eartli like 
element, or an eiement with an aikaiine earth characteristic where the 
concentration of said aikaiine earth element, aikaiine earth like eiement, or said 
element with an alkaline earth characteristic is near fo the concentration of said 
alkaline earth eiement , alkaline earth like element or said element with an 
alkaline earth characteristic where the superconducting copper oxide phase in 
said material undergoes an orthorhombic to tetragonai structural phase 
transition, 

a mixed copper oxide doped with an element chosen to resuit in Cu^* ions in 
said material, 

a doped transition metal oxide, 

a copper oxide wherein at least one other element is an element which results 
in Cu^" ions in said materiai, 

a copper oxide wherein at least one other element is an element chosen to 
resuit in the presence of both Cu^'' and Cu'^" ions, 

a substituted copper oxide exhibiting mixed valence states. 

a superconductor being comprised of at least four eiements, none of which is 
itself superconducting at a temperature greater than or equai to 26''K, 

at least four eiements, none of which is itseif a superconductor, 



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a superconductor being comprised of said transition element which itseif is not 
superconducting, 

a superconductor being an oxide having muitivalent oxidation states, 
a transition rmeta! oxide iiaving substitutions therein, the amount of said 
substitutions being sufficient to produce sufficient electron-phonon interactions 
in said materia! that said materiai exhibits said superconductivity, 

a crystailine mixed vaient oxide having a layer-like structure. 

at least one element in a nonstoichiometric atomic proportion, 

a composition of the formula Ba>,La>,,5Cu<;0Y wherein x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540"C to about 950''C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equal to 26°K, 

a composition of the formula BaLas-^CugOsfs-y), wheresn x is from about 0.75 to 
about 1 and y is the oxygen deficiency resulting from annealing said 
composition at temperatures from about 540*^0 to about 950° C and for times of 
about 15 minutes to about 12 hours, said composition having a metal oxide 
phase which exhibits a superconducting state at a critical temperature greater 
than or equa! to 26''K, 

a composition wherein at least one element is in a nonstotchtometric atomic 
proportion; 

a composition comprising a metallic, oxygen-deficient, perovskite-like, mixed 
vaient transition metal compound, and 



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combinations thereof. 



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CLAIM 621 (New) A structure according to claim 605, wherein said transition metai is 
seiected from the group consisting of copper, nickel and chromium, 

CLAIM 622 (New) A structure according to claim 605 wherein said rare earth~iii<e 
elements comprise a rare earth characteristic 

CLAiM 623 (New) A structure according to claim 605 wherein said composition 
comprises one or more of Be, Mg, Ca, Sr Ba, Ra, So, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, 
Gd, Tb. Dy, Ho, Er, Tm, Yb and Lu, 

CLAiM 624 (New) A structure according to claim 605 wherein said composition 
comprises one or more of one or more of of Be, Mg, Ca, Sr, Ba and Ra and one or more 
of Sc, Y, La, Ce. Pr Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho. Er Tm, Yb and Lu. 

CLAiM 625 (New) A structure according to claim 605 wherein said materiai can be 
made according to known principles of ceramic science. 

CLAiM 626 (New) A structure according to claim 605 wherein said material comprises 
a metallic, oxygen-deficient, perovskite-like, mixed valent transition metal compound. 

CLAi!\^ 627 (New) A structure according to claim 605 wherein said material comprises 
a metallic, oxygen~deficieiit, perovskite-like, mixed valent copper compound. 

CLAIM 628 (New) A structure according to claim 605 wherein said material comprises 
at least one phase that exhibits superconductivity, 

CLAIM 629 (New) A structure according to claim 606 wherein said structure is selected 
from ttie group consisting of an apparatus, a device and a combination. 



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CLAIM 630 (New) A structure according to claim 605 wherein said material comprises 
at least one eiement selected from each of said first element group and said second 
eiement group. 

CLAIM 631 (New) A stnjcture according to any one of daims 605 to 629 or 630 wherein 
said structure is selected from the group consisting of; 

a power generation device, 

an eiectrtcai power transmission device, 

an eiectricai power transmission element, 

a coii, 

a magnet, 

a piasma device, 

a nuclear device, 

a nuclear magnetic resonace device, 

a nuclear magnetic imaging device, 

a magnetic levitation device, 

a power gerneation system, 

a thermonuciear fusion device, 

a switching device, 

a Josephson junction device. 

an eiectricai packaging device, 

a circuit, 

a eiectronic instrumentation device, 
a magnetic suceptomoter, and 
a magnetometer. 

CLAiM 632 (New) A structure according to any one of daims 605 to 630 or 531 wherein 
said structure is a coil comprised of said material. 

CLAM 633 (New) A structure according to claim 632 wherein said material possesses 
substantially zero eiectricai resistance. 



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CLAIM 634 (New) A structure according to claim 632 wherein said coi! possesses 
substantia! ly zero electrical resistance. 

CLAIM 635 A structure according to claim 605 where in satd structure is selected from 
tiie group consisting of a device, an apparatus, a circuit and a combination. 

CLAIM 636 (New) A structure according to any one of claims 605 to 634 or 635 wtierein 
said material possesses substantially zero electrical resistance. 

CLAIM 637 (New) A structure according to any one of claims 605 to 630 or 631 wherein 
said circuit element has an input capable of receiving an input current and an output 
capable of outputting an output current through substantially zero electrical resistance, 
between said input and said output. 

CLAIM 638 (New) A structure according to claim 637 wherein said material possesses 
substantially zero electrical resistance, 

CLAIM 639 (New) A structure according to any one of claims 605 to 630 or 631 vv^herein 
said circuit element has an input capable of receiving an input current and an output 
capable of outputting an output through substantially zero electrical resistance, between 
said input and said output. 

CLAIM 640 (New) A structure according to claim 639 wherein said material possesses 
substantially zero electrical resistance. 

CLAIM 641 (New) A stnjcture according to any one of claims 605 to 634 or 635 wherein 
said structure is designed for said circuit element to be capable of carrying said 
superconducting current. 



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CLAIM 642 (New) A stnjcture according to claim 641 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAIM 643 (New) A stnjcture according to claim 637 wherein said structure is designed 
for said circuit eiement to be capable of carrying said superconducting current. 

CLAIM 644 (New) A structure according to claim 643 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAIM 645 (New) A structure according to claim 639 wherein said structure is designed 
for said circuit eiement to be capable of carrying said superconducting current. 

CLAIM 646 (New) A stnjcture according to claim 646 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAM 647 (New) A structure according to any one of ciaims 605 to 630 or 631 wlierein 
said circuit element is capable of carrying a superconducting current flowing therein 
through substanttaliy zero electrical resistance. 

CLAi!\^ 648 (New) A structure according to claim 647 wherein said material possesses 
substantially zero eiectrica! resistance. 

CLAIM 649 (New) A structure according to claim 588 wherein said coi! is capable of 
carriyng a_superconducting current flowing therein without a source providing for said 
superconducting current. 

CLAIM 650 (New) A structure according to any one of ciaims 561 to 586 or 587 wherein 
said circuit element is capable of carriyng a superconducting current flowing therein 
Without a source providing for said superconducting current 



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CLAIM 661 (New) A stnjcture according to claim 632 wherein said coi! is capable of 
carriyng a superconducting current flowing therein without a source providing for said 
superconducting current when in a superconducting state. 

CLAIM 652 (New) A structure according to any one of ciaims 605 to 630 or 631 wherein 
said circuit element is capable of carriyng a superconducting current flowing therein 
without a source providing for said superconducting current when in a superconducting 
state, 

CLAIM 653 (New) A structure comprising: 

a circuit comprising a circuit element comprising a material having a Tc greater than or 
equal to 26" K capable of carrying a superconducting current^ 

said materiai comprises a transition metai, oxygen and at least one element seiected 
from the group consisting of a first eiement group, a second eiement group and 
combinations thereof; 

said first eiement group comprises rare earth elements, rare earth-like elements and 
Group HIB elements, and 

said second eiement group comprises alkaiine earth eiements and Group !1A elements. 
CLAIM 664 (New) A structure comprising; 

a circuit comprising a circuit element comprising a materiai with a Tc greater than or 
equal to 26*^K capable of carrying a superconducting current-;- 

said materiai comprises a transition metai, oxygen and at least one element seiected 
from the group consisting of a first eiement group, a second eiement group and 
combinations thereof; 



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said first element group comprises rare earth elements, rare earth-like elements and 
Group NIB elements, and 

said second element group comprises alkaline earth elements and Group II A elements, 
CLAIM 655 (New) A structure comprising: 

a circuit comprising a circuit element comprising a materia! possessing a Tc greater than 
or equal to 26°K capable of carrying a superconducting current;- 

said material comprises a transition metal, oxygen and at least one element selected 
from the group consisting of a first element group, a second element group and 
combinations thereof; 

said first element group comprises rare earth elements, rare earth-like elements and 
Group illB elements, and 

said second element group comprises alkaline earth elements and Group HA elements. 
CLAIM 656 (New) A structure comprising: 

a circuit comprising a circuit element comprising a material having a Tc greater than or 
equal to 26°K, said material exhibiting a substantially zero resistance to the flow of 
electrical current therethrough when in a superconducting state; 

said material comprises a transition metal, oxygen and at least one element seiected 
from the group consisting of a first element group, a second element group and 
combinations thereof; 

said first element group comphses rare earth elements, rare earth-like elements and 
Group HiB elements, and 



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said second eiement group comprises alkaline earth eiements and Group HA eiements. 



CLAIM 657 (New) A structure comprising: 

a circuit comprising a circuit element comprising a matehai with a To greater tiian or 
equal to 26^K, said material exhibiting a substantiaily zero resistance to the flow of 
eiectrica! current therethrough when in a superconducting state; 

said materia! comprises a transition metai^ oxygen and at least one element selected 
from the group consisting of a first eiement group, a second eiement group and 
combinations thereof; 

said first eiement group comprises rare earth elements, rare earth-like elements and 
Group illB elements, and 

said second eiement group comprises alkaline earth elements and Group HA elements. 
CLAJy 658 (New) A structure comprising: 

a circuit comprising a circuit element comprising a material possessing a Tc greater than 
or equal to 2&^K, said material exhibiting a substantially zero resistance to the flow of 
eiectrica! current therethrough when in a superconducting state; 

said materia! comprises a transition meta!, oxygen and at least one element seiected 
from the group consisting of a first element group, a second eiement group and 
combinations thereof; 

said first element group comprises rare earth elements, rare earth-like elements and 
Group 1MB elements, and 



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said second element group comprises alkaiine earth eiements and Group HA eiements, 

CLAIM 659 A structure according to any one of claims 561 , 605, 653 to 657 or 658 
wherein said rare-earth lii^e eiements include elements having a rare earth 
characteristic. 



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