Skip to main content

Full text of "USPTO Patents Application 08479810"

See other formats


IN THE CLAIMS 



CLAIM 1 (Previously Presented) A superconducting apparatus comprising a 
composition having a transition temperature greater than or equal to 26°K, the 
composition including a rare earth or rare earth-like 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°K, a temperature controller for maintaining said composition at said 
temperature to exhibit said superconductivity and a current source for passing 
an electrical superconducting current through said composition while exhibiting 
said superconductivity. 

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

CLAIM 6 (Previously Presented) The superconducting apparatus of claim 2, 
where said rare earth or rare earth-like element is selected from the group 
consisting of La, Nd, and Ce. 



2 



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

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. 

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

CLAIM 12 (Previously Presented) A superconducting combination, comprising a 
superconductive oxide having a transition temperature greater than or equal to 
26°K, 

a current source for 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 transition temperature, and 

a temperature controller for cooling said composition to a superconducting state 
at a temperature greater than or equal to 26°K. 

CLAIM 13 (Original) The combination of claim 12, where said superconductive 
composition includes a transition metal oxide. 

CLAIM 14 (Original) The combination of claim 12, where said superconductive 
composition includes Cu-oxide. 



3 



CLAIM 15 (Original) The combination of claim 12, where said superconductive 
composition includes a multivalent transition metal, oxygen, and at least one 
additional element. 

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

CLAIM 17 (Original) The combination of claim 15, where said additional element 
is a rare earth or rare earth-like element. 

CLAIM 18 (Original) The combination of claim 15, where said additional element 
is an alkaline earth element. 

CLAIM 19 (Original) The combination of claim 12, where said composition 
includes a perovskite-like superconducting phase. 

CLAIM 20 (Original) The combination of claim 12, where said composition 
includes a substituted transition metal oxide. 

CLAIM 21 (Original) The combination of claim 20, where said substituted 
transition metal oxide includes a multivalent transition metal 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-like structure. 

CLAIM 24 (Previously Presented) An apparatus comprising: 



4 



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

a temperature controller for lowering the temperature of said material at least to 
said critical temperature to produce said superconducting state in said phase, 
and 

a current source for passing an electrical superconducting current through said 
transition metal oxide while it is in said superconducting state. 

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

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

CLAIM 27 (Previously Presented) A superconducting apparatus 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- 
tetragonal phase of said composition, a temperature controller for 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 
source for passing current through said composition while in said 
superconducting state. 

CLAIM 28 (Previously Presented) The superconducting apparatus of claim 27, 
where said substituted Cu-oxide includes a rare earth or rare earth-like element. 



5 



CLAIM 29 (Previously Presented) The superconducting apparatus of claim 27, 
where said substituted Cu-oxide includes an alkaline earth element. 

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

CLAIM 31 (Previously Presented) The superconducting apparatus of claim 27, 
where said composition has a crystalline structure which enhances electron- 
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 (Previously Presented) A superconducting apparatus comprising a 
composition 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 (Previously Presented) A superconducting apparatus having a 
superconducting onset temperature greater than or equal to 26°K, the 
composition being comprised of a mixed copper oxide doped with an element 
chosen to result in Cu^ ions in said composition and a current source, for 
passing a superconducting current through said superconducting composition. 

CLAIM 35 (Previously Presented) The superconducting apparatus of claim 34, 
where said doping element includes an alkaline earth element. 



6 



CLAIM 36 (Previously Presented) 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 oxide 
exhibiting mixed valence states and at least one other element in its crystalline 
structure, 

a current source for 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, and 

a temperature controller for cooling said composition to a superconducting state 
at a temperature greater than or equal to 26'*K. 

CLAIM 37 (Original) The combination of claim 36, where said at least one other 
element is an alkaline earth element. 

CLAIM 38 (Previously Presented) The combination of claim 36, where said at 
least one other element is an element which results in Cu^"^ ions in said 
composition. 

CLAIM 39 (Previously Presented) The combination of claim 36, where said at 
least one other element is an element chosen to result in the presence of both 
Cu^* and Cu®* ions in said composition. 

CLAIM 40 (Previously Presented) 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 itself superconducting at a temperature greater than or equal to 26''K, a 
temperature controller for maintaining said superconductor at an operating 



7 



temperature in excess of said onset temperature to maintain said superconductor 
in a superconducting state and a current source for passing current through said 
superconductor while in said superconducting state. 

CLAIM 41 (Previously Presented) The apparatus of claim 40, where said 
elements include a transition metal and oxygen. 

CLAIM 42 (Previously Presented) A apparatus having a superconducting onset 
temperature greater than or equal to 26'*K, said superconductor being a doped 
transition metal oxide, where said transition metal is itself non-superconducting 
and a current source for passing a superconducting electric current through said 
composition. 

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

CLAIM 44 (Previously Presented) The apparatus of claim 42, further including 
an element which creates a mixed valent state of said transition metal. 

CLAIM 45 (Previously Presented) The apparatus of claim 43, where said 
transition metal is Cu. 

CLAIM 46 (Previously Presented) An apparatus having a superconductor having 
a superconducting onset temperature greater than or equal to 26''K, said 
superconductor being an oxide having multivalent oxidation states and including 
a metal, said oxide having a crystalline structure which is oxygen deficient and a 
a current source for passing a superconducting electric current through said 
superconductor. 

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



8 



CLAIM 48 (Previously Presented) 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 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 passing a superconducting electric current through 
said superconductor. 

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

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

CLAIM 51 (Previously Presented) The superconductive apparatus of claim 48, 
where said substitutions include an alkaline earth element. 

CLAIM 52 (Previously Presented) The superconductive apparatus of claim 48, 
where said substitutions include a rare earth or rare earth-like element. 

CLAIM 53 (Previously Presented) A superconductive apparatus comprised of a 
copper oxide having a layer-like crystalline structure and at least one additional 
element substituted in said crystalline structure, said structure being oxygen 
deficient and exhibiting a superconducting onset temperature greater than or 
equal to 26"K. 

CLAIM 54 (Original) The superconductor of claim 53, where said additional 
element creates a mixed valent state of said copper oxide in said 
superconductor. 



9 



CLAIM 55 (Previously Presented) 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 multivalent states, 

a current source for passing an electrical superconducting current through said 
oxide while said oxide is at a temperature greater than or equal to 26°K, and 

a temperature controller for cooling said oxide In a superconducting state at a 
temperature greater than or equal to 26°K. 

CLAIM 56 (Original) The combination of claim 55, where said transition metal is 
Cu. 

CLAIM 57 (Previously Presented) A combination including; 

a superconducting oxide having a superconducting onset temperature greater 
than or equal to 26°K and containing at least 3 elements which are non- 
superconducting at said onset temperature, 

a current source for passing a superconducting current through said oxide while 
said oxide is maintained at a temperature greater than or equal to 26°K, and 

a temperature controller for maintaining said oxide in a superconducting state at 
a temperature greater than or equal to 26°K and less than said superconductive 
onset temperature. 

CLAIM 58 (Previously Presented) A combination, comprised of: 



10 



a copper oxide superconductor having a superconductor onset temperature 
greater than about 26°K including an element which results in a mixed valent 
state in said oxide, said oxide being crystalline and having a layer-like structure, 

a current source for passing a superconducting current through said copper 
oxide while it is maintained at a temperature greater than or equal to 26°K and 
less than said superconducting onset temperature, and 

a temperature controller for 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. 

CLAIM 59 (Previously Presented) A combination, comprised of: 

a ceramic-like material having an onset of superconductivity at an onset 
temperature greater than or equal to 26°K, 

a current source for passing a superconducting electrical current through said 
ceramic-like material while said material is maintained at a temperature greater 
than or equal to 26°K and less than said onset temperature, and 

a temperature controller for 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 material being superconductive at 
temperatures below said onset temperature and a ceramic at temperatures 
above said onset temperature. 

CLAIM 60 (Previously Presented) An apparatus comprised of a transition metal 
oxide, and at least one additional element, said superconductor having a 
distorted crystalline structure characterized by an oxygen deficiency and 
exhibiting a superconducting onset temperature greater than or equal to of 26°K, 



11 



a source of current for passing a superconducting electric current in said 
transition metal oxide, and a cooling apparatus for maintaining said transition 
metal oxide below said onset temperature at a temperature greater than or equal 

to ae^K. 

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

CLAIM 62 (Previously Presented) An apparatus comprised of a transition metal 
oxide and at least one additional element, 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 for passing a superconducting electric current in said transition metal 
oxide, and a cooling apparatus for maintaining said transition metal oxide below 
said onset temperature and at a temperature greater than or equal to of 26'*K. 

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

CLAIM 64 (Currently Amended) A combination, comprising: 

a mixed copper oxide composition having enhanced polaron formation, said 
composition including an element causing said copper to have a mixed valent 
state in said composition, said composition further having a distorted octahedral 
oxygen environment leading to a To greater than or equal to 26°K, 

a current source for providing a superconducting current through said 
composition at temperatures greater than or equal to 26°K and less than said Tc, 
and 



12 



a temperature controller f or cooling said composition to a temperature greater 
than or equal to 26°K and less than said Tc. 

CLAIM 65 (Previously Presented) An apparatus comprising a composition 
exhibiting superconductivity at temperatures greater than or equal to 26°K, said 
composition being 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 
composition, and O 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 passing a superconducting electric current in said transition metal 
oxide, and a cooling apparatus for maintaining said transition metal oxide below 
said onset temperature and at a temperature greater than or equal to 26°K. 

CLAIM 66 (Previously Presented) 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 passing a superconducting electric current in 
said transition metal oxide, and a cooling apparatus for maintaining said 
transition metal oxide below said onset temperature and at a temperature greater 
than or equal to 26*'K. 

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

CLAIM 68 (Previously Presented) The apparatus of claim 67, where said one 
additional element is an alkaline earth element. 

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



13 



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 crystalline structure, and 

moans a current source for 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. 

CLAIM 70 (Original) The combination of claim 69, where said transition metal 
oxide is a mixed copper oxide. 

CLAIM 71 (Original) The combination of claim 70, where said mixed copper oxide 
includes an alkaline earth element. 

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

CLAIM 73 (Previously Presented) An apparatus 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- 
like element, an alkaline earth element, and copper, 

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



14 



superconducting onset temperature greater than or equal to 26"'K, said 
superconducting composition having a layer-like crystalline structure after said 
annealing step. 

CLAIM 74 (Original) The method 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 Tc of the 
superconducting composition. 

CLAIM 75 (Previously Presented) An apparatus comprising a composition of 
matter for carrying a superconductive current 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), copper (CU), and oxygen (O) and having the general formula RE- 
AE-CU-0, said composition being made by a method including the steps of 
combining said rare earth or rare earth-like element, said alkaline earth element 
and said copper in the presence of oxygen to produce a mixed copper oxide 
including said rare earth or rare earth-like element and said alkaline earth 
element therein, and 

heating said mixed copper oxide to produce a superconductor having a 
crystalline 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 (Previously Presented) The apparatus of claim 75, where said heating 
step is done in an atmosphere including oxygen. 

CLAIM 77 (Previously Presented) A combination, comprising: 



15 



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 layer-like 
crystalline structure and multi-valent 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 equal to 26°K, 
said mixed copper oxide having a superconducting onset temperature greater 
than or equal to 26°K, and 

a current source for 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 (Original) The combination of claim 77, where the ratio (AE.RE) : Cu is 
substantially 1:1. 

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

CLAIM 80 (Original) The combination of claim 77, wherein said crystalline 
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. 

CLAIM 82 (Previously Presented) An apparatus comprising a superconductor 
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 



16 



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- 
stolchiometric amount of oxygen therein. 

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

CLAIM 84 (Previously Presented) 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 additional element, 
said composition having substantially zero resistance to the flow of electricity 
therethrough when 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 

current source for passing an electrical superconducting current through said 
composition when said composition Is In said superconducting state at a 
temperature greater than or equal to 26°K, and less than said superconducting 
onset temperature. 

CLAIM 85 (Original) The combination of claim 84, where said transition metal Is 
copper. 

CLAIM 86 (Previously Presented) An apparatus comprising: 



17 



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 metal oxide having a non-stoichiometric amount of oxygen therein and 
exhibiting a superconducting onset temperature greater than or equal to 26''K, 

a temperature controller for 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 

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

CLAIM 87 (Previously Presented) The apparatus of claim 86, where said 
transition metal is copper. 

CLAIM 88 (Previously Presented) An apparatus comprising: 

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

a cooler for cooling said composition to a temperature greater than or equal to 
26°K at which temperature said composition exhibits said superconductive state, 
and 

a current source for passing an electrical current through said composition while 
said composition is in said superconductive state. 

CLAIM 89 (Previously Presented) The apparatus of claim 88, where said 
composition is comprised of a metal oxide. 



18 



CLAIM 90 (Previously Presented) The apparatus of claim 88, where said 
composition is comprised of a transition metal oxide. 

CLAIM 91 (Previously Presented) A combination, comprising: 

a composition exhibiting the onset of a DC substantially zero resistance state at 
an onset temperature in excess of 30°K, and 

a current source for passing an electrical current through said composition while 
it is in said substantially zero resistance state. 

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

CLAIM 93 (Previously Presented) An apparatus, comprising: 

a mixed copper oxide material exhibiting an onset of superconductivity at an 
onset temperature greater than or equal to 26°K, and 

moano a current source for producing an electrical current through said copper 
oxide material while it is In a superconducting state at a temperature greater than 
or equal to 26°K. 

CLAIM 94 (Previously Presented) The apparatus of claim 93, where said copper 
oxide material exhibits a layer-like crystalline structure. 

CLAIM 95 (Previously Presented) The apparatus of claim 93, where said copper 
oxide material exhibits a mixed valence state. 



19 



CLAIM 96 (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 
layer-type perovskite-like crystal structure, the composition having a 
superconductor transition temperature Tc of greater than or equal to 26''K; 

(b) a current source 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 temperature controller for causing an electric current to flow in the 
superconductor element. 

CLAIM 97 (Previously Presented) The superconductive apparatus according to 
claim 96 in which 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 98 (Previously Presented) The superconductive apparatus according to 
claim 97 in which the rare-earth or rare-earth-like element is lanthanum. 

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

CLAIM 100 (Previously Presented) The superconductive apparatus according to 
claim 96 in which the copper-oxide compound of the superconductive 
composition includes mixed valent copper ions. 



20 



CLAIM 101 (Previously Presented) The superconductive apparatus according to 
claim 100 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 102 (Previously Presented) The superconductive apparatus according to 
claim 101 in which oxygen is present in the copper-oxide compound in a 
nonstoichiometric atomic proportion. 

CLAIM 103 (Previously Presented) 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 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) a temperature controller for maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tq=o 
of the superconductive composition; and 

(c) a current source for 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-like element is lanthanum. 



21 



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 (Previously Presented) A superconductive apparatus comprising a 
composition having 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°K, a temperature controller for maintaining said composition at said 
temperature to exhibit said superconductivity and moans a current source for 
passing an electrical superconducting current through said composition while 
exhibiting said superconductivity. 

CLAIM 110 (Previously Presented) The combination of claim 15, where said 
additional element is rare earth or alkaline earth element. 

CLAIM 1 1 1 (Previously Presented) A device comprising a superconducting 
transition metal oxide having a superconductive onset temperature greater than 
or equal to 26°K, said superconducting transition metal oxide being at a 



22 



f 

temperature less than said superconducting onset temperature and having a 
superconducting current flowing therein. 

CLAIM 112 (Previously Presented) A device comprising a superconducting 
copper oxide having a superconductive onset temperature greater than or equal 
to 26°K, said superconducting copper oxide being at a temperature less than 
said superconducting onset temperature and having a superconducting current 
flowing therein. 

CLAIM 113 (Previously Presented) A device comprising a superconducting 
oxide composition having a superconductive onset temperature greater than or 
equal to 26°K, said superconducting copper oxide being at a temperature less 
than said superconducting onset temperature and having a superconducting 
current flowing therein, said composition comprising at least one each of rare 
earth, an alkaline earth, and copper. 

CLAIM 114 (Previously Presented) A device comprising a superconducting 
oxide composition having a superconductive onset temperature greater than or 
equal to 26^K, said superconducting copper oxide being at a temperature less 
than said superconducting onset temperature and having a superconducting 
current flowing therein, said composition comprising at least one each of a group 
NIB element, an alkaline earth, and copper. 

CLAIM 115 (Previously Presented) A device comprising a transition metal oxide 
having a Tc greater than or equal to 26°K carrying a superconducting current said 
transition metal oxide is maintained at a temperature less than said Tc. 

CLAIM 116 (Previously Presented) An apparatus comprising a transition metal 
oxide having a Tc greater than or equal to 26°K carrying a superconducting 
current said transition metal oxide is maintained at a temperature less than said 
Tc. 



23 



CLAIM 117 (Previously Presented) A structure comprising a transition metal 
oxide having a Tc greater than or equal to 26°K carrying a superconducting 
current. 

CLAIM 118 (Previously Presented) An apparatus comprising a transition metal 
oxide having a Tc greater than or equal to 26°K carrying a superconducting 
current. 

CLAIM 119 (Previously Presented) A device comprising a copper oxide having a 
Tc greater than or equal to 26°K carrying a superconducting current said copper 
oxide is maintained at a temperature less than said Tc. 

CLAIM 120 (Previously Presented) An apparatus comprising a copper oxide 
having a Tc greater than or equal to 26°K carrying a superconducting current said 
copper oxide is maintained at a temperature less than said Tc. 

CLAIM 121 (Previously Presented) A device comprising a copper oxide having a 
Tc greater than or equal to 26°K carrying a superconducting current. 

CLAIM 122 (Previously Presented) An apparatus comprising a copper oxide 
having a Tc greater than or equal to 26°K carrying a superconducting current. 

CLAIM 123 (Previously Presented) A superconductive apparatus comprising: 

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 



24 



exhibits a superconducting state at a critical temperature greater than or equal to 
26°K; 

a temperature controller for 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 current source for passing an electrical current through said composition while 
said metal oxide phase is in said superconducting state. 

CLAIM 124 (Previously Presented) A device comprising a composition of matter 
having a Tc greater than or equal to 26®K carrying a superconducting current, 
said composition comprising at least one each of a NIB element, an alkaline 
earth, and copper oxide said device is maintained at a temperature less than said 
To. 

CLAIM 125 (Previously Presented) An apparatus comprising a composition of 
matter having a Tc greater than or equal to 26°K carrying a superconducting 
current, said composition comprising at least one each of a rare earth, an 
alkaline earth, and copper oxide. 

CLAIM 126 (Previously Presented) A device comprising a composition of matter 
having a Tc greater than or equal to 26°K carrying a superconducting current, 
said composition comprising at least one each of a rare earth, and copper oxide. 

CLAIM 127 (Previously Presented) A device comprising a composition of matter 
having a Tc greater than or equal to 26°K carrying a superconducting current, 
said composition comprising at least one each of a IIIB element, and copper 
oxide. 



25 



CLAIM 128 (Previously Presented) A transition metal oxide device comprising a 
TcLgreater tlian or equal to 26°K and carrying a superconducting current. 

CLAIM 129 (Previously Presented) A copper oxide device comprising a Tc 
greater than or equal to 26°K and carrying a superconducting current. 

CLAIM 130 (Previously Presented) A superconductive apparatus comprising a 
composition having a transition temperature greater than or equal to 26°K, the 
composition including a rare earth or Group ill B 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°K, a temperature controller for maintaining said composition at said 
temperature to exhibit said superconductivity and a current source for passing an 
electrical superconducting current through said composition which exhibiting said 
superconductivity. 

CI_AIM 131 (Previously Presented) The combination of claim 15, where said 
additional element is a rare earth or Group III B element. 

CLAIM 132 (Previously Presented) The combination of claim 12, where said 
composition includes a substantially perovskite superconducting phase. 

CLAIM 133 (Previously Presented) The superconducting apparatus of claim 27, 
where said substituted Cu-oxide includes a rare earth or Group III B element. 

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

CLAIM 135 (Previously Presented) A combination, comprising: 



26 



a mixed copper oxide composition including an all<aline earth element (AE) and a 
rare earth or Group III B element (RE), said composition having a substantially 
layered crystalline structure and multi-valent 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 
equal to 26°K, said mixed copper oxide having a superconducting onset 
temperature greater than or equal to 26°K and, 

a current source for 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 (Previously Presented) The combination of claim 77, where said 
crystalline structure is substantially perovskite. 

CLAIM 137 (Previously Presented) An apparatus comprising: 

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

a temperature controller for maintaining said composition in said superconducting 
state at a temperature greater than or equal to 26°K, and less than said 
superconducting onset temperature, and 

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

CLAIM 138 (Previously Presented) The apparatus of claim 93, where said 
copper oxide material exhibits a substantially layered crystalline structure. 



27 



CLAIM 139 (Previously Presented) 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 substantially layered perovskite crystal structure, the composition 
having a superconductor transition temperature Tc of greater than or equal to 
26°K; 

(b) a temperature controller 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 current source for causing an electric current to flow in the superconductor 
element. 

CLAIM 140 (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 rare-earth or Group III B 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 Tr=o, the 
transition-onset temperature Tc being greater than or equal to 26°K; 



28 



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

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

CLAIM 141 (Previously Presented) 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 maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting 
state in said phase, and 

a current source passing an electrical supercurrent through said transition metal 
oxide while it is in said superconducting state. 

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 (Previously Presented) 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 metal oxide having a non-stoichiometric amount of oxygen therein and 



29 



exhibiting a superconducting state at a temperature greater than or equal to 
26°K, 

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

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

CLAIM 145 (Previously Presented) The apparatus of claim 144, where said 
transition metal is copper. 

CLAIM 146 (Previously Presented) An apparatus: 

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

a temperature controller maintaining said composition at a temperature greater 
than or equal to 26''K at which temperature said composition exhibits said 
superconductive state, and 

a current source passing an electrical current through said composition while 
said composition is in said superconductive state. 

CLAIM 147 (Previously Presented) The apparatus of claim 146, where said 
composition is comprised of a metal oxide. 

CLAIM 148 (Previously Presented) The apparatus of claim 146, where said 
composition is comprised of a transition metal oxide. 



30 



CLAIM 149 (Previously Presented) 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 Tc of greater than or equal to 26°K; 

(b) a temperature controller 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) causing an electric current to flow in the superconductor element. 

CLAIM 150 (Previously Presented) The superconductive apparatus according to 
claim 149 in which 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 (Previously Presented) The superconductive apparatus according to 
claim 150 in which the rare-earth or rare-earth-like element is lanthanum. 

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

CLAIM 153 (Previously Presented) The superconductive apparatus according to 
claim 149 in which the copper-oxide compound of the superconductive 
composition includes mixed valent copper ions. 



31 



CLAIM 154 (Previously Presented) The superconductive apparatus according to 
claim 153 in which the copper-oxide compound includes at least one element in a 
nonstoichlometric atomic proportion. 

CLAIM 155 (Previously Presented) The superconductive apparatus according to 
claim 154 In which oxygen is present in the copper-oxide compound in a 
nonstoichiometric atomic proportion. 

CLAIM 156 (Previously Presented) 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 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 Tp=o , the 
transition-onset temperature Tc being greater than or equal to 26°K; 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 157 (Previously Presented) The superconductive apparatus according to 
claim 156 in which the rare-earth or rare-earth-like element is lanthanum. 



32 



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

CLAIM 159 (Previously Presented) The superconductive apparatus according to 
claim 156 in which the copper-oxide compound of the superconductive 
composition includes mixed valent copper ions. 

CLAIM 160 (Previously Presented) The superconductive apparatus according to 
claim 159 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

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

CLAIM 162 (Previously Presented) An apparatus comprising 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 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 passing an electrical supercurrent through said copper oxide 
while it is in said superconducting state; 

said copper oxide 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. 

CU\IM 163 (Previously Presented) An apparatus comprising: 



33 



a composition comprising copper, oxygen and any element selected from the 
group consisting of a Group II 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 controller maintaining said composition in said superconducting 
state at a temperature greater than or equal to 26°K; and 

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

CLAIM 164 (Previously Presented) An apparatus comprising: 

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

a temperature controller 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 passing an electrical 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 III B 
element. 



34 



CLAIM 165 (Previously Presented) An 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 copper-oxide compound 
having a layer-type perovskite-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 II A element, a rare earth element; and a Group III B 
element; 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 166 (Previously Presented) 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 
having a layer-type perovskite-like 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 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 



35 



intercept temperature Tp=o, the transition-onset temperature Tc being greater than 
or equal to 26"^, 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 167 (Previously Presented) 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 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 passing an electrical supercurrent through said copper oxide 
while it is in said superconducting state; 

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 III B element. 

CLAIM 168 (Previously Presented) 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 III B element, 



36 



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

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

CLAIM 169 (Previously Presented) An apparatus comprising: 

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

a temperature controller 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 passing an electrical current through said composition while 
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 III B element. 

CLAIM 170 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature greater than or 
equal to 26°K, comprising: 



37 



(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 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 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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 171 (Previously Presented) 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 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 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-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; 



38 



(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 172 (Previously Presented) 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 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 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 II A element and at least one element selected from 
the group consisting of a rare earth element and a Group NIB element. 

CLAIM 173 (Previously Presented) An apparatus comprising: 

a composition including 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 III B element, 
where said composition is a mixed transitional metal oxide formed from said 
transition metal and said oxygen, said mixed transition metal oxide having a non- 



39 



stoichiometric amount of oxygen therein and exhibiting a superconducting state 
at a temperature greater than or equal to 26°K; 

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

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

CLAIM 174 (Previously Presented) An apparatus: 

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

a temperature controller 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 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 least one element 
selected from the group consisting of 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 175 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature greater than or 
equal to 26°K, comprising: 



40 



(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal oxide 
compound having a layer-type perovskite-like crystal 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 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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 176 (Previously Presented) 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 transition metal-oxide 
compound having a layer-type perovskite-like crystal structure, the transition 
metal-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 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-onset temperature Tcand 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; 



41 



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

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

CLAIM 177 (Previously Presented) 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 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 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 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen, 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, 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; 



42 



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

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

CLAIM 179 (Previously Presented) A structure comprising: 

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

a temperature controller 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 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 (Previously Presented) 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 transition temperature Tc of greater than or equal to 26*'K, said 



43 



superconductive composition includes a Group II A elennent, 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 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 causing an electric current to flow in the superconductor 
element. 

CLAIIV1 181 (Previously Presented) 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 II A element, and at least one element selected from the group 
consisting of 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-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 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 causing an electric current to flow in the superconductor 
element. 



44 



CLAIM 182 (Previously Presented) An apparatus comprising a composition 
having a transition temperature greater tlian 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**K, a 
temperature controller maintaining said composition at said temperature to 
exhibit said superconductivity and a current source passing an electrical 
superconducting current through said composition with said phrase exhibiting 
said superconductivity. 

CLAIM 183 (Previously Presented) An apparatus comprising a superconducting 
transition metal oxide having a superconductive onset temperature greater than 
or equal to 26°K, a temperature controller maintaining said superconducting 
transition metal oxide at a temperature less than said superconducting onset 
temperature and a current source flowing a superconducting current therein. 

CLAIM 184 (Previously Presented) An apparatus comprising a superconducting 
copper oxide having a superconductive onset temperature greater than or equal 
to 26°K, a temperature controller maintaining said superconducting copper oxide 
at a temperature less than said superconducting onset temperature and a current 
source flowing a superconducting current in said superconducting oxide. 

CLAIM 185 (Previously Presented) An apparatus comprising a superconducting 
oxide composition having a superconductive onset temperature greater than or 
equal to 26°K, a temperature controller maintaining said superconducting copper 
oxide at a temperature less than said superconducting onset temperature and a 
current source flowing a superconducting current therein, said composition 
comprising at least one each of rare earth, an alkaline earth, and copper. 



45 



CLAIM 186 (Previously Presented) An apparatus comprising a superconducting 
oxide composition having a superconductive onset temperature greater than or 
equal to 26°K, a temperature controller maintaining said superconducting copper 
oxide at a temperature less than said superconducting onset temperature and a 
current source flowing a superconducting electrical current therein, said 
composition comprising at least one each of a Group III B element, an alkaline 
earth, and copper. 

CLAIM 187 (Previously Presented) An apparatus comprising a superconducting 
electrical current in a transition metal oxide having a Tc greater than or equal to 
26°K and maintaining said transition metal oxide at a temperature less than said 
Tc 

CLAIM 188 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting current in a copper oxide having a Tc greater than or 
equal to 26°K and a temperature controller maintaining said copper oxide at a 
temperature less than said Tc. 

CLAIM 189 (Previously Presented) An apparatus comprising: 

a composition of the formula BaLa5-xCu505(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°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 temperature controller 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 



46 



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

CLAIM 190 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting electrical current in a composition of matter having a 
Tc greater than or equal to 26°K, said composition comprising at least one each 
of a Group III B element, an alkaline earth, and copper oxide and a temperature 
controller maintaining said composition of matter at a temperature less than Tc. 

CLAIM 191 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting electrical current in a composition of matter having a 
Tc greater than or equal to 26°K, said composition comprising at least one each 
of a rare earth, alkaline earth, and copper oxide and a temperature controller 
maintaining said composition of matter at a temperature less than said Tc. 

CLAIM 192 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting electrical current in a composition of matter having 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 maintaining said 
composition of matter at a temperature less than said Tc. 

CLAIM 193 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting electrical current in a composition of matter having a 
Tc greater than or equal to 26°K carrying, said composition comprising at least 
one each of a Group III B element, and copper oxide and a temperature 
controller maintaining said composition of matter at a temperature less than said 
Tc. 

CLAIM 194 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting electrical current in a transition metal oxide comprising 



47 



a Tc greater than or equal to 26°K and a temperature controller maintaining said 
transition metal oxide at a temperature less than said Tc. 

CLAIM 195 (Previously Presented) An apparatus comprising a current source 
flowing a superconducting electrical current In a copper oxide composition of 
matter comprising a Tc greater than or equal to 26°K and a temperature controller 
maintaining said copper oxide composition of matter at a temperature less than 
said Tc. 

CLAIM 196 (Previously Presented) An apparatus comprising: 

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

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

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

CLAIM 197 (Previously Presented) The apparatus of claim 196, where said 
transition metal Is copper. 

CLAIM 198 (Previously Presented) 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 



48 



having a substantially layered perovskite crystal structure, the composition 
having a superconductor transition temperature TcOf greater than or equal to 
26^K; 

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

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

CLAIM 199 (Previously Presented) The superconductive apparatus according to 
claim 198 in which the copper-oxide compound of the superconductive 
composition includes at least one element selected from the group consisting of 
a rare-earth element, a Group III B element and an alkaline-earth element. 

CLAIM 200 (Previously Presented) The superconductive apparatus according to 
claim 199 in which the rare-earth 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. 



49 



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 (Previously Presented) 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 III 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 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 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 causing an electric current to flow in the superconductor 
element. 

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. 



50 



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 (Previously Presented) 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 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 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 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 causing an electric current to flow in the superconductor 
element. 



51 



CLAIM 212 (Previously Presented) 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 
Group II 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-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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 213 (Previously Presented) 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 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 II A element and at 



52 



least one element selected from the group consisting of a rare earth element and 
a Group III B element; 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 214 (Previously Presented) 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 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, 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 to 26°K; 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 



53 



CLAIM 215 (Previously Presented) 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 transition metal oxide 
compound having a substantially layered perovskite crystal structure, the 
composition having a superconductive transition temperature TcOf 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 maintaining the superconductor element at a 
temperature greater than or equal to 26°K and below the superconductor 
transition TcOf the superconductive composition; and 

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

CLAIM 216 (Previously Presented) 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 transition metal-oxide 
compound having a substantially layered perovskite crystal structure, the 
transition metal-oxide compound including 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, 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 lower limit defined 



54 



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 maintaining the superconductor element at a 
temperature below the effectively-zero-bull<-resistivity intercept temperature Tp=o 
of the superconductive composition; and 

(c) a current source 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 (Previously Presented) An apparatus according to claim 183 wherein 
said superconducting 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 (Previously Presented) An apparatus according to claim 185 wherein 
said superconducting oxide composition comprises a substantially layered 
perovskite crystal structure. 

CLAIM 221 (Previously Presented) An apparatus according to claim 186 wherein 
said superconducting oxide composition comprises a substantially layered 
perovskite crystal structure. 



55 



CLAIM 222 (Previously Presented) An apparatus according to claim 187 wlierein 
said transition metal oxide comprises a substantially layered perovskite crystal 
structure. 

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

CLAIM 224 (Previously Presented) An apparatus according to claim 189 wherein 
said composition comprises a substantially layered perovskite crystal structure. 

CLAIM 225 (Previously Presented) An apparatus according to claim 190 wherein 
said composition of matter comprises a substantially layered perovskite crystal 
structure. 

CLAIM 226 (Previously Presented) An apparatus according to claim 191 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 (Previously Presented) An apparatus according to claim 194 wherein 
said transition metal oxide comprises substantially layered perovskite crystal 
structure. 



56 



CLAIM 230 (Previously Presented) An apparatus according to claim 195 wherein 
said copper oxide composition comprises substantially layered perovskite crystal 
structure. 

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

CLAIM 232 (Previously Presented) 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 26°K, 

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

a source of an electrical supercurrent through said transition metal oxide while it 
is in said superconducting state. 

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. 

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

CLAIM 235 (Previously Presented) An apparatus comprising: 



57 



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 metal oxide comprising 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 for maintaining said composition in said superconducting 
state at a temperature greater than or equal to 26°K, and 

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

CLAIM 236 (Previously Presented) An apparatus according to claim 235, where 
said transition metal is copper. 

CLAIM 237 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature greater than or 
equal to 26°K, a temperature controller for maintaining said composition at a 
temperature greater than or equal to 26°K at which temperature said composition 
exhibits said superconductive state, and 

a source of an electrical current through said composition while said composition 
is in said superconductive state. 

CLAIM 238 (Previously Presented) An apparatus according to claim 237, where 
said composition is comprised of a metal oxide. 

CLAIM 239 (Previously Presented) An apparatus according to claim 238, where 
said composition is comprised of a transition metal oxide. 



58 

[ 



CLAIM 240 (Previously Presented) 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 layer-type perovskite-like crystal structure, the composition 
comprising a superconductor transition temperature Tc of greater than or equal to 
26°K; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 241 (Previously Presented) An apparatus according to claim 240 in 
which 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 242 (Previously Presented) An apparatus according to claim 241 in 
which the rare-earth or rare-earth-like element is lanthanum. 

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

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. 



59 



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

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

CLAIM 247 (Previously Presented) 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-like 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 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 for 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 248 (Previously Presented) An apparatus according to claim 247 in 
which the rare-earth or rare-earth-like element is lanthanum. 



60 



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

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

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

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

CLAIM 253 (Previously Presented) 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 maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting 
state in said phase; 

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

said copper oxide 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. 



61 



CLAIM 254 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of a Group II 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 26*^K; 

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

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

CLAIM 255 (Previously Presented) An apparatus comprising: 

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

a temperature controller 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 of an electrical 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 III B 
element. 



62 



CLAIM 256 (Previously Presented) 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 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 II A element, a rare earth element; 
and a Group III B element; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 257 (Previously Presented) 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-like 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-onset temperature Tc and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature Tp=o, the transition-onset 
temperature To being greater than or equal to 26°K; 



63 



(b) a temperature controller for 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 258 (Previously Presented) 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 maintaining the temperature of said material at a 
temperature less than said critical temperature to produce said superconducting 
state in said phase; 

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

said copper oxide 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 III B element. 

CLAIM 259 (Previously Presented) 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 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 26*'K; 



64 



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

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

CLAIM 260 (Previously Presented) An apparatus comprising: 

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

a temperature 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 of an electrical current through said composition while 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 III B element. 

CLAIM 261 (Previously Presented) 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 layer-type perovskite-like crystal structure, the composition 
comprising a superconductive transition temperature Tc of greater than or equal 



65 



to 26°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 
III B element; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 262 (Previously Presented) 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-like crystal structure, the copper-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 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-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 for 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. 



66 



CLAIM 263 (Previously Presented) 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 26°K; 

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

a source of an electrical supercurrent through said transition metal 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 II A element and at lest one element selected from 
the group consisting of a rare earth element and a Group III B element. 

CLAIMS 264 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, 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 III 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 amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than or equal to 26°K; 

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



67 



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

CLAIM 265 (Previously Presented) An apparatus comprising: 

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

a temperature controller 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 of an electrical 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 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 266 (Previously Presented) 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 transition metal oxide 
compound 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 II A element and at least 



68 



one element selected from the group consisting of a rare earth element and a 
Group III B element; 

(b) a temperature controller for 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 of an electric current to flow in the superconductor element. 

CLAIM 267 (Previously Presented) 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 layer-type perovskite-like crystal structure, the transition 
metal-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 NIB 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 
effectlvely-zero-bulk-resistlvity intercept temperature Tp=o, the transition-onset 
temperature Tc being greater than or equal to 26°K; 

(b) a temperature controller for 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 (Previously Presented) An apparatus comprising: 



69 



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

a source for an electrical supercurrent through said copper oxide while it is in 
said superconducting state; 

said copper oxide includes at least one element 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 element selected from the group 
consisting of a Group III B element. 

CLAIM 269 (Previously Presented) 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 at least one element selected 
from the group consisting of 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 
26°K; 

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

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



70 



CLAIM 270 (Previously Presented) An apparatus comprising: 

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

a temperature controller 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 of an electrical current through said composition while 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 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 (Previously Presented) 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 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 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 element; 



71 



(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 272 (Previously Presented) 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-like crystal structure, the copper-oxide 
compound including 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 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 controller for 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 273 (Previously Presented) 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 



72 



one phase that exhibits superconductivity at temperature greater than or equal to 
26°K, a temperature controller for 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. 

CLAIM 274 (Previously Presented) An apparatus comprising providing a 
superconducting transition metal oxide comprising a superconductive onset 
temperature greater than or equal to 26°K, a temperature controller for 
maintaining said superconducting transition metal oxide at a temperature less 
than said superconducting onset temperature and a source of a superconducting 
current therein. 

CLAIM 275 (Previously Presented) An apparatus comprising a superconducting 
copper oxide comprising a superconductive onset temperature greater than or 
equal to 26°K, a temperature controller for maintaining said superconducting 
copper oxide at a temperature less than said superconducting onset temperature 
and a source of a superconducting current in said superconducting oxide. 

CLAIM 276 (Previously Presented) An apparatus comprising a superconducting 
oxide composition comprising a superconductive onset temperature greater than 
or equal to 26°K , a temperature controller for 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 least one each of rare earth, an alkaline earth, and copper. 

CLAIM 277 (Previously Presented) An apparatus comprising a superconducting 
oxide composition comprising a superconductive onset temperature greater than 
or equal to 26°K, a temperature controller for maintaining said superconducting 
copper oxide at a temperature less than said superconducting onset temperature 
and a source of a superconducting electrical current therein, said composition 



73 



comprising at least one each of a Group III B element, an alkaline earth, and 
copper. 

CLAIM 278 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a transition metal oxide comprising a Tc 
greater than or equal to 26°K and a temperature controller for maintaining said 
transition metal oxide at a temperature less than said Tc. 

CLAIM 279 (Previously Presented) 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 controller for maintaining said copper oxide at a 
temperature less than said Tc. 

CLAIM 280 (Previously Presented) An apparatus comprising: 

a composition of the formula BaxLax-s, CusOy, 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 1 2 hours, said composition comprising a metal oxide phase 
which exhibits a superconducting state at a critical temperature greater than or 
equal to 26°K; 

a temperature controller for 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 source of an electrical current through said composition while said metal oxide 
phase is in said superconducting state. 

CLAIM 281 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a composition of matter comprising a Tc 



74 



greater than or equal to 26''K, said composition comprising at least one each of a 
III B element, an alkaline earth, and copper oxide and a temperature controller 
for maintaining said composition of matter at a temperature less than Tc. 

CLAIM 282 (Previously Presented) 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, alkaline earth, and copper oxide and a temperature controller for 
maintaining said composition of matter at a temperature less than said Tc. 

CLAIM 283 (Previously Presented) 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, and copper oxide and a temperature controller for maintaining said 
composition of matter at a temperature less than said Tc. 

CLAIM 284 (Previously Presented) 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 carrying, said composition comprising at least one 
each of a III B element, and copper oxide and a temperature controller for 
maintaining said composition of matter at a temperature less than said Tc. 

CLAIM 285 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a transition metal oxide comprising a Tc 
greater than or equal to 26°K and a temperature controller for maintaining said 
transition metal oxide at a temperature less than said Tc. 

CLAIM 286 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a copper oxide composition of matter 
comprising a Tc greater than or equal to 26°K and a temperature controller for 



75 



maintaining said copper oxide composition of matter at a temperature less than 
said Tc. 

CLAIIVI 287 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a group I MB element, an alkaline earth 
element, and oxygen, where said composition is a mixed transition metal oxide 
comprising 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 for maintaining said composition in said superconducting 
state at a temperature greater than or equal to 26°K, and 

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

CLAIM 288 (Previously Presented) An apparatus according to claim 287, where 
said transition metal is copper. 

CLAIM 289 (Previously Presented) An 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 substantially layered perovskite crystal structure, the composition 
comprising a superconductor transition temperature Tc of greater than or equal to 
26°K; 



76 



b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 290 (Previously Presented) An apparatus according to claim 289 in 
which 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 NIB 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 alkaline-earth element is barium. 

CLAIM 293 (Previously Presented) An apparatus according to claim 289 in 
which the copper-oxide compound of the superconductive compositionincludes 
mixed valent copper Ions. 

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

CLAIM 296 (Previously Presented) An apparatus for conducting an electric 
current essentially without resistive losses, comprising: 



77 



(a) a superconductor element made of a superconductive composition, tlie 
superconductive composition consisting essentially 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 
rare-earth element and a Group III 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=o. the transition- 
onset temperature Tc being greater than or equal to 26°K; 

(b) a temperature controller for 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 297 (Previously Presented) An apparatus according to claim 296 in 
which said at least one element is lanthanum. 

CLAIM 298 (Previously Presented) An apparatus according to claim 296 in 
which the alkaline-earth element is barium. 

CLAIM 299 (Previously Presented) An apparatus according to claim 296 in 
which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 300 (Previously Presented) An apparatus according to claim 299 in 
which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 



78 



CLAIM 301 (Previously Presented) An apparatus according to claim 300 in 
which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 302 (Previously Presented) An 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 substantially layered perovskite 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, a rare earth element; 
and a Group III B element; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 303 (Previously Presented) 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 substantially 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 III B element, the 



79 



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 for 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 304 (Previously Presented) An 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 substantially layered perovskite 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 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 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 of an electric current to flow in the superconductor element. 



80 



CLAIM 305 (Previously Presented) 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 substantially layered perovskite crystal structure, the copper-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 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-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 for 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 306 (Previously Presented) An 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 transition metal oxide 
compound comprising a substantially layered perovskite 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 and at least 



81 



one element selected from the group consisting of a rare earth element and a 
Group III B element; 

(b) a temperature controller for 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 of an electric current to flow in the superconductor element. 

CLAIM 307 (Previously Presented) 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 II A element and at least one element selected from 
the group consisting of 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-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 for 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. 



82 



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

CLAIM 309 (Previously Presented An apparatus according to claim 274 wherein 
said superconducting transition metal oxide comprises a substantially layered 
perovskite crystal structure. 

CLAIM 310 (Previously Presented) An apparatus according to claim 275 wherein 
said superconducting copper oxide comprises a substantially layered perovskite 
crystal structure. 

CLAIM 31 1 (Previously Presented) An apparatus according to claim 276 wherein 
said superconducting oxide composition comprises a substantially layered 
perovskite crystal structure. 

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

CLAIM 313 (Previously Presented An apparatus according to claim 278 wherein 
said transition metal oxide comprises a substantially layered perovskite crystal 
structure. 

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

CLAIM 315 (Previously Presented) An apparatus according to claim 280 wherein 
said composition comprises a substantially layered perovskite crystal structure. 



83 



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

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

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

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

CLAIM 320 (Previously Presented) An apparatus according to claim 285 wherein 
said transition metal 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 (Previously Presented) A superconductive combination according to 
anyone of claims 84 or 85, wherein said mixed transition metal oxide can be 
made according to known principles of ceramic science. 

CLAIM 323 (Previously Presented) An apparatus according to anyone of claims 
86, 87, 144, 146. 147, 163, 164. 168. 169, 173, 174. 178, 182, 189. 196, 197. 



84 



214, 224, 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. 

CLAIIVI 324 (Previously Presented) A combination according to anyone of claims 
91 , 92 or 36 to 39, wherein said composition can be made according to known 
principles of ceramic science. 

CLAIM 325 (Previously Presented) A superconductive apparatus according to 
anyone of claims 1 to 1 1 , 33 to 35, 66 to 68,1 09, 1 30, 361 -366 or 370, wherein 
said composition can be made according to known principles of ceramic science. 

CLAIM 326 (Previously Presented) An apparatus according to anyone of claims 
93 to 95 or 1 38, wherein said mixed copper oxide can be made according to 
known principles of ceramic science. 

CLAIM 327 (Previously Presented) A combination according to anyone of claims 
64 or 1 35, wherein said mixed copper oxide can be made according to known 
principles of ceramic science. 

CLAIM 328 (Previously Presented) A superconductive apparatus according to 
anyone of claims 48 to 52, 96 to 108, 198 to 204, 371 , 383 or 384, wherein said 
superconductive composition can be made according to known principles of 
ceramic science. 

CLAIM 329 (Previously Presented) A superconductive combination according to 
anyone of claims 12 to 23, 1 10, 131 , 132 or 367-370, wherein said 
superconductive composition can be made according to known principles of 
ceramic science. 



85 



CLAIM 330 (Previously Presented) An apparatus according to anyone of claims 
185 or 220, wherein said superconductive composition can be made according to 
known principles of ceramic science. 

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 (Previously Presented) An apparatus according to anyone of claims 
183, 217, 218, 274 or 309, wherein said superconductive transition metal oxide 
can be made according to known principles of ceramic science. 

CLAIM 333 (Previously Presented) A device according to claim 1 1 2, wherein 
said superconductive copper oxide can be made according to known principles of 
ceramic science. 

CLAIM 334 (Previously Presented) An apparatus according to anyone 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 (Previously Presented) A device according to claim 113, wherein 
said superconductive oxide composition can be made according to known 
principles of ceramic science. 

CLAIM 336 (Previously Presented) An apparatus according to anyone of claims 
186, 221, 272, 312 or 41 3, wherein said superconductive oxide composition can 
be made according to known principles of ceramic science. 

CLAIM 337 (Previously Presented) A device according to anyone of claims 114 
or 1 17, wherein said transition metal oxide can be made according to known 
principles of ceramic science. 



86 



CLAIM 338 (Previously Presented) An apparatus according to anyone of claims 
24 to 26, 60 to 63, 1 16, 141 to 143, 172, 187, 222, 232 to 234, 263, 278, 285, 
287, 288, 313 or 320, wherein said transition metal oxide can be made according 
to known principles of ceramic science. 

CLAIM 339 (Previously Presented) A superconductive apparatus according to 
anyone of claims 27-32, 132 or 370, wherein said transition metal 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 principles 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 (Previously Presented) An apparatus according to anyone of claims 
40 to 45, wherein said superconductor can be made according to known 
principles of ceramic science. 

CLAIM 343 (Previously Presented) A device according to anyone of claims 119 
or 121 , wherein said copper oxide can be made according to known principles of 
ceramic science. 

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



87 



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

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

CLAIM 347 (Previously 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 (Previously Presented) An apparatus according to anyone 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 (Previously Presented) A combination according to anyone of claims 
58 or 373, wherein said copper oxide conductor can be made according to 
known principles of ceramic science. 

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

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



88 



CLAIM 353 (Previously Presented) A superconductive apparatus according to 
anyone of claims 139, 140, 149 to 155, 156 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 (Previously Presented) An apparatus according to anyone 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. 

CLAIM 355 (Previously Presented) A combination according to anyone of claims 
77 to 81 , 186, 379 or 380, wherein said mixed copper oxide composition can be 
made according to known principles of ceramic science. 

CLAIM 356 (Previously Presented) A device according to anyone of claims 124 
to 127, wherein said composition of matter can be made according to known 
principles of ceramic science. 

CLAIM 357 (Previously Presented) An apparatus according to anyone of claims 
190 to 194, 225 to 229, 231 , 256, 257, 266, 267, 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. 

CLAIM 358 (Previously Presented) An apparatus according to anyone of claims 
1 86 or 221 , wherein said superconductive oxide composition can be made 
according to known principles of ceramic science. 

CLAIM 359 (Previously Presented) An apparatus according to anyone of claims 
195 or 230, wherein said copper oxide composition can be made according to 
known principles of ceramic science. 



89 



CLAIM 360 (Previously Presented) An apparatus according to anyone of claims 
286 or 321 , wherein 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 equal to 26°K, a-a temperature controller for 
maintaining said composition at said temperature to exhibit said 
superconductivity and a current source for passing an electrical superconducting 
current through said composition while exhibiting said superconductivity. 

CLAIM 362 (Previously Presented) The superconducting apparatus of claim 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 element comprising a rare earth characteristic is 
selected from the group consisting of La, Nd, and Ce. 

CLAIM 364 (Previously Presented) The superconducting apparatus of claim 361, 
where said phase is crystalline with a structure comprising a perovskite 
characteristic. 

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



90 



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

CLAIM 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 claim 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 comprising a rare 
earth characteristic. 

CLAIM 372 (Previously Presented) A superconductive apparatus 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 and exhibiting a superconducting 
onset temperature greater than or equal to 26°K. 



91 



CLAIM 373 (Previously Presented) A combination, comprised of: 

a copper oxide superconductor having a superconductor onset temperature 
greater than about 26''K including an element which results in a mixed valent 
state in said oxide, said oxide being crystalline and comprising a structure 
comprising a layered characteristic, 

a current source for passing a superconducting current through said copper 
oxide while it is maintained at a temperature greater than or equal to 26°K and 
less than said superconducting onset temperature, and 

a temperature controller for 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. 

CLAIM 374 (Previously Presented) A combination, comprised of: 

a material comprising a ceramic characteristic comprising an onset of 
superconductivity at an onset temperature greater than or equal to 26°K, 

a current source for passing a superconducting electrical current through said 
material comprising a ceramic characteristic while said material is maintained at 
a temperature greater than or equal to 26°K and less than said onset 
temperature, and 

a temperature controller for cooling said superconducting material having a 
ceramic characteristic to a superconductive state at a temperature greater than 
or equal to 26°K and less than said onset temperature, said material being 
superconductive at temperatures below said onset temperature and a ceramic at 
temperatures above said onset temperature. 



92 



CLAIM 375 (Previously Presented) An apparatus comprising a composition 
exhibiting superconductivity at temperatures greater than or equal to 26°K, said 
composition being a material comprising a ceramic characteristic 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 composition, and O 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 passing a superconducting electric 
current in said transition metal oxide, and a cooling apparatus for maintaining 
said transition metal oxide below said onset temperature and at a temperature 
greater than or equal to 26**K. 

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

CLAIM 377 (Previously Presented) An apparatus comprising a superconductor 
having a superconducting onset temperature greater than or equal to 26°K, said 
superconductor being made by a method including the steps of: 

preparing powders of oxygen-containing compounds of a rare earth or rare earth- 
like element, an alkaline earth element, and copper, 

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



93 



superconducting composition comprising a crystalline structure comprising a 
layered characteristic after said annealing step. 

CLAIM 378 (Previously Presented) An apparatus 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 element (AE), copper (CU), and 
oxygen (O) 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 comprising a rare earth characteristic, said alkaline earth element and 
said copper in the presence of oxygen to produce a mixed copper oxide including 
said rare earth or rare earth-like element and said alkaline earth element therein, 
and 

heating said mixed copper oxide to produce a superconductor having a 
crystalline structure comprising a layered characteristic 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 379 (Previously Presented) 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 crystalline structure comprising a layered characteristic 
and multi-valent 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 equal to 26°K, said mixed 
copper oxide having a superconducting onset temperature greater than or equal 
to 26"K, and 



94 



a current source for 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 380 (Previously Presented) The combination of claim 379, wherein said 
crystalline structure comprises a perovsklte characteristic. 

CLAIM 381 (Previously Presented) An apparatus 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 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 comprising the steps of combining 
said rare earth or element comprising a rare earth characteristic, 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 element 
comprising a rare earth characteristic and said alkaline 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 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature greater than or 
equal to 26*'K, comprising: 



95 



(a) a superconductor element made of a superconductive composition, the 
superconductive composition comprising a copper-oxide compound liaving 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) a temperature controller 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 current source for causing an electric current to flow in the superconductor 
element. 

CLAIM 384 (Previously Presented) The superconductive apparatus according to 
claim 383 in which the copper-oxide compound of the superconductive 
composition includes at least one rare-earth or element comprising a rare earth 
characteristic and at least one alkaline-earth element. 

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

CLAIM 386 (Previously Presented) 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 
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 



96 



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

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

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

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

CLAIM 388 (Previously Presented) 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 2Q°K, 

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

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



97 



CLAIM 389 (Previously Presented) 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 comprising a layered characteristic and a 
perovskite characteristic, the composition having a superconductor transition 
temperature Tc of greater than or equal to 26°K; 

(b) a temperature controller 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) causing an electric current to flow in the superconductor element. 

CLAIM 390 (Previously Presented) The superconductive apparatus according to 
claim 389 in which the copper-oxide compound of the superconductive 
composition includes at least one rare-earth or an element comprising a rare 
earth characteristic and at least one alkaline-earth element. 

CLAIM 391 (Previously Presented) The superconductive apparatus according to 
claim 390 in which the rare-earth or an element comprising a rare earth 
characteristic is lanthanum. 

CLAIM 392 (Previously Presented) 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 
comprising a crystal structure comprising a layered characteristic and a 



98 



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

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 393 (Previously Presented) The superconductive apparatus according to 
claim 392 in which the rare-earth or an element comprising a rare earth 
characteristic is lanthanum. 

CLAIM 394 (Previously Presented) An 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 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 II A element, a rare earth element; and a Group III B element; 



99 



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

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

CLAIM 395 (Previously Presented) 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 layered characteristic and a 
perovskite characteristic, 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 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 to 26°K; 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 



100 



CLAIM 396 (Previously Presented) 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 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 11 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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 397 (Previously Presented) 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 
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 II A element and at least 
one element selected from the group consisting of a rare earth element and a 
Group III B element, the composition having a superconductive/resistive 
transition defining a superconductive-resistive-transition temperature range 



101 



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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 398 (Previously Presented) 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 transition metal 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 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 III B element; 

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

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



102 



CLAIM 399 (Previously Presented) 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 transition metal-oxide 
compound comprising a crystal structure comprising a layered characteristic and 
a perovskite characteristic, the transition metal-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 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-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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 400 (Previously Presented) 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 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 



103 



composition includes a Group 11 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 maintaining the superconductor element at a 
temperature greater than or equal to 26°K and below the superconductor 
transition temperature To of the superconductive composition; and 

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

CLAIM 401 (Previously Presented) 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 
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 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-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 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 causing an electric current to flow in the superconductor 
element. 



104 



CLAIM 402 (Previously Presented) 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 characteristic, the composition comprising a superconductor transition 
temperature Tc of greater than or equal to 26°K; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 403 (Previously Presented) An apparatus according to claim 402 in 
which the copper-oxide compound of the superconductive composition includes 
at least one rare-earth or an element comprising a rare earth characteristic and 
at least one alkaline-earth element. 

CLAIM 404 (Previously Presented) An apparatus according to claim 403 in 
which the rare-earth or element comprising a rare earth characteristic is 
lanthanum. 

CLAIM 405 (Previously Presented) 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 



105 



comprising a layer-type perovskite-like crystal structure, the copper-oxide 
compound comprising at least one rare-earth or element comprising a rare earth 
characteristic 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=o, the transition-onset 
temperature Tc being greater than or equal to 26°K; 

(b) a temperature controller for 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 406 (Previously Presented) An apparatus according to claim 405 in 
which the rare-earth or element comprising a rare earth characteristic is 
lanthanum. 

CLAIM 407 (Previously Presented) 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 
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 II A element, a rare earth element; and a Group III B element; 



106 



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

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

CLAIM 408 (Previously Presented) 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 characteristic, 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-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 for 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 409 (Previously Presented) An apparatus capable of carrying an electric- 
current flow in a superconductive state at a temperature greater than or equal to 
26°K, comprising: 



107 



(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 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 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 of an electric current to flow in the superconductor element. 

CLAIM 410 (Previously Presented) 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 layered characteristic and a 
perovskite characteristic, the copper-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 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-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; 



108 



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

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

CLAIM 41 1 (Previously Presented) 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 transition metal 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 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 for 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 of an electric current to flow in the superconductor element. 

CLAIM 412 (Previously Presented) 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 layered characteristic and 



109 



a perovskite characteristic, the transition metal-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 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-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 for 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 413 (Previously Presented) 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 layered characteristic and a 
perovskite characteristic, the copper-oxide compound including 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 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 To being greater than or equal to 26°K; 



110 



(b) a temperature controller for 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 414 (Previously Presented) A superconducting apparatus according to 
anyone of claims 361-365 or 366, wherein said composition can be made 
according to known principles of ceramic science. 

CLAIM 415 (Previously Presented) A superconducting combination according to 
anyone of claims 367, 368 or 369, wherein said composition can be made 
according to known principles of ceramic science. 

CLAIM 416 (Previously Presented) A superconducting apparatus according to 
anyone of claims 370 or 371 , wherein 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 (Previously Presented) A apparatus according to claim 375, wherein 
said composition can be made by known principles of ceramic science. 



Ill 



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 (Previously Presented) A combination according to anyone of claims 
379 or 380, wherein said mixed copper oxide can be made by known principles 
of ceramic science. 

CLAIM 423 (Previously Presented) A apparatus according to claim 382, wherein 
said copper oxide material can be made by known principles of ceramic science. 

CLAIM 424 (Previously Presented) A superconductive apparatus according to 
anyone of claims 383, 384, 385, 386, 387 and 389, wherein said composition can 
be made by known principles of ceramic science. 

CLAIM 425 (Previously Presented) A apparatus according to claim 388, wherein 
said composition can be made according to known principles of ceramic science. 

CLAIM 426 (Previously Presented) A superconductive apparatus according to 
anyone of claims 389 to 400 or 401 , wherein said superconductive composition 
can be made by known principles of ceramic science. 

CLAIM 427 (Previously Presented) A apparatus according to anyone of claims 
402 to 412 or 413, wherein said superconductive composition can be made by 
known principles of ceramic science. 

CLAIM 428 (Previously Presented) An apparatus capable of carrying electric 
current flow in a superconductive state at a temperature greater than or equal to 
26°K, comprising: 



112 



a superconductive element comprising a superconductive composition, said 
superconductive composition comprising O and at least one element selected 
from 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; and 

said composition comprising a superconductor transition temperature Tc of 
greater than or equal to 26°K. 

CLAIM 429 (Previously Presented) An apparatus according to claim 428, further 
including: 

a temperature controller 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 

a source of 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 (Previously Presented) An apparatus according to anyone 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. 



113 



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 (Previously Presented) An apparatus according to anyone of claims 
428 to 431 or 432, wherein said composition can be made according to known 
principals of ceramic science. 

CLAIM 437 (Previously Presented) An apparatus according to claim 88 wherein 
said composition is an oxide. 

CLAIM 438 (Previously Presented) An apparatus comprising: a means for 
conducting a superconducting current at a temperature greater than or equal to 
26°K and a current source for providing an electric current to flow in said means 
for conducting a superconducting current. 

CLAIM 439 (Previously Presented) An apparatus according to claim 438, 
wherein said means for conducting a superconductive current comprises a Tc 
greater than or equal to 28*'K. 

CLAIM 440 (Previously Presented) An apparatus according to claim 438, further 
including a temperature controller for maintaining said means for conducting a 
superconducting current at a said temperature. 

CLAIM 441 (Previously Presented) An apparatus according to anyone of claims 
438, 439 or 440, wherein said means for conducting a superconducting current 
comprises oxygen. 



114 



CLAIM 442 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises one or more of the groups 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 443 (Previously Presented) An apparatus according to anyone of claims 
438, 439 or 440, wherein said means 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 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a layered structure. 

CLAIM 445 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a substantially perovskite structure. 

CLAIM 446 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a perovskite-like structure. 

CLAIM 447 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a perovskite related structure. 

CLAIM 448 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a structure having a perovskite characteristic. 



115 



CLAIM 449 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a transition metal. 

CLAIM 450 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a copper oxide. 

CLAIM 451 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises oxygen in a nonstoichiomeric amount. 

CLAIM 452 (Previously Presented) An apparatus according to anyone of claims 
438, 439 and 440, wherein said means for conducting a superconducting current 
comprises a multivalent transition metal. 

CLAIM 453 (Previously Presented) An apparatus according to anyone of claims 
438, 439 or 440, wherein said means for conducting a superconducting current 
can be made according to known principles of ceramic science. 

CLAIM 454 (Previously Presented) An apparatus according to claim 441 , 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 455 (Previously Presented) An apparatus according to claim 442, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 456 (Previously Presented) An apparatus according to claim 443, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 



116 



CLAIM 457 (Previously Presented) An apparatus according to claim 444, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 458 (Previously Presented) An apparatus according to claim 445, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 459 (Previously Presented) An apparatus according to claim 446, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 460 (Previously Presented) An apparatus according to claim 447, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 461 (Previously Presented) An apparatus according to claim 448, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 462 (Previously Presented) An apparatus according to claim 449, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 463 (Previously Presented) An apparatus according to claim 450, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 



117 



CLAIM 464 (Previously Presented) An apparatus according to claim 451 , 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 465 (Previously Presented) An apparatus according to claim 452, 
wherein said means for conducting a superconducting current can be made 
according to known principles of ceramic science. 

CLAIM 466 (Previously Presented) An apparatus comprising: 

a superconductive current carrying element comprising a Tc greater than or equal 
to 26°K; 

said superconductive current carrying element comprises a property selected 
from one or more of the group consisting of a mixed valent oxide, a transition 
metal, a mixed valent transition metal, a perovsklte structure, a perovsklte-like 
structure, a perovsklte related structure, a layered structure, a stoichiomeric or 
nonstoichiomeric oxygen contents and a dopant. 

CLAIM 467 (Previously Presented) An apparatus according to claim 466, 
wherein said superconductive current carrying element Is at a temperature 
greater than or equal to 26°K. 

CLAIM 468 (Previously Presented) An apparatus according to claim 466, further 
including a temperature controller for maintaining said superconductive current 
carrying element at a temperature less than said Tc. 

CLAIM 469 (Previously Presented) An apparatus according to anyone of claims 
466, 467 or 468, wherein said superconductive current carrying 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. 



118 



CLAIM 470 (Previously Presented) An apparatus according to anyone of claims 
466, 467 or 468, wherein said superconductive current carrying 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. 

CLAIM 471 (Previously Presented) An apparatus according to claim 469, 
wherein said superconductive current carrying element comprises a transition 
metal. 

CLAIM 472 (Previously Presented) An apparatus according to claim 470, 
wherein said superconductive current carrying element comprises a transition 
metal 

CLAIM 473 (Previously Presented) An apparatus according to anyone of claims 
466, 467, or 468, wherein said superconducting current carrying element can be 
made according to known principles of ceramic science. 

CLAIM 474 (Previously Presented) An apparatus according to of claim 471 , 
wherein said superconducting current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 475 (Previously Presented) An apparatus according to of claim 472, 
wherein said superconducting current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 476 (Previously Presented) An apparatus comprising: 

a superconductive current carrying element comprising a Tc greater than or equal 
to 26*'K; 



119 



said superconductive current carrying element comprises an oxide, a layered 
perovsklte structure or a layered perovskite-like structure and comprises a 
stoichlomeric or nonstoichiomeric oxygen content. 

CLAIM 477 (Previously Presented) An apparatus according to claim 476, 
wherein said superconductive current carrying element is at a temperature 
greater than or equal to 26°K. 

CLAIM 478 (Previously Presented) An apparatus according to claim 476, further 
including a temperature controller for maintaining said superconductive current 
carrying element at a temperature less than said Tc. 

CLAIM 479 (Previously Presented) An apparatus according to anyone of claims 
476, 477 or 478, wherein said superconductive current carrying 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 (Previously Presented) An apparatus according to anyone of claims 
476, 477 or 478, wherein said superconductive current carrying 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. 

CLAIM 481 (Previously Presented) An apparatus according to claim 479, 
wherein said superconductive current carrying element comprises a transition 
metal. 

CLAIM 482 (Previously Presented) An apparatus according to claim 480, 
wherein said superconductive current carrying element comprises a transition 
metal. 



120 



CLAIM 483 (Previously Presented) An apparatus according to claim 476, 
wherein said superconductive current carrying element comprises copper oxide. 

CLAIM 484 (Previously Presented) An apparatus according to anyone of claims 
476, 477 or 478, wherein said superconductive current carrying element can be 
made according to known principles of ceramic science. 

CLAIM 485 (Previously Presented) An apparatus according to claim 479, 
wherein said superconductive current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 486 (Previously Presented) An apparatus according to claim 480, 
wherein said superconductive current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 487 (Previously Presented) An apparatus according to claim 481 , 
wherein said superconductive current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 488 (Previously Presented) An apparatus according to claim 482, 
wherein said superconductive current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 489 (Previously Presented) An apparatus according to claim 483, 
wherein said superconductive current carrying element can be made according 
to known principles of ceramic science. 

CLAIM 490 (Previously Presented) An apparatus according to claim 484, 
wherein said superconductive current carrying element can be made according 
to known principles of ceramic science. 



121 



CLAIM 491 (Previously Presented) An apparatus according to claim 485, 
wherein said superconductive current carrying element can be made according 
to known principles 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 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; 



122 



(b>-»neaf»s a temperature controller 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 current source for causing an electric current to flow in the superconductor 
element. 

CLAIM 497 (Previously Presented) 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 
comprising a crystal structure comprising a layered characteristic and a 
perovskite related structure, 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 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) a temperature controller for maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tq=o 
of the superconductive composition; and 

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

CLAIM 498 (Previously Presented) A superconductive apparatus for causing 
electric current flow in a superconductive state at a temperature greater than or 
equal to 26°K, comprising: 



123 



(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 
perovsklte related structure, the composition having a superconductor transition 
temperature Tc of greater than or equal to 26°K; 

(b) a temperature controller 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) causing an electric current to flow In the superconductor element. 

CLAIM 499 (Previously Presented) 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 
comprising a crystal structure comprising a layered characteristic and a 
perovsklte related 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 superconductlve/reslstive-transltion 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-reslstlvity Intercept temperature Tp=o. the transition-onset 
temperature Tc being greater than or equal to 26°K; 

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



124 



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

CLAIM 500 (Previously Presented) An 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 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 II A element, a rare earth element; and a Group III B element; 

(b) a temperature controller 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 501 (Previously Presented) 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 layered characteristic and a 
perovskite related 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 having a 



125 



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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 502 (Previously Presented) 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 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 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 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 



126 



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

CLAIM 503 (Previously Presented) 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 
comprising a crystal structure comprising a layered characteristic and a 
perovskite related structure, the copper-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 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-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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 504 (Previously Presented) 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 transition metal oxide 
compound comprising a crystal structure comprising a layered characteristic and 



127 



a perovskite related structure, the composition having a superconductive 
transition temperature Tc of greater than or equal to 26'*K, said superconductive 
composition 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 III B element; 

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

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

CLAIM 505 (Previously Presented) 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 transition metal-oxide 
compound comprising a crystal structure comprising a layered characteristic and 
a perovskite related structure, the transition metal-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 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-onset temperature Tcand 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 maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept temperature Tp=o 
of the superconductive composition; and 



128 



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

CLAIM 506 (Previously Presented) 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 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 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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 507 (Previously Presented) 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 
comprising a crystal structure comprising a layered characteristic and a 
perovskite related structure, 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 III B element, the composition having a 



129 



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 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 causing an electric current to flow in the superconductor 
element. 

CLAIM 508 (Previously Presented) 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 related structure, the composition comprising a superconductor 
transition temperature Tc of greater than or equal to 26°K; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 509 (Previously Presented) An apparatus capable of carrying an electric- 
current flow in a superconductive state at a temperature greater than or equal to 
26*'K, comprising: 



130 



(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 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, a rare earth element; and a Group III B element; 

(b) a temperature controller 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 of an electric current to flow in the superconductor element. 

CLAIM 510 (Previously Presented) 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 related 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-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 for maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept temperature Tp=o 
of the superconductive composition; and 



131 



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

CLAIM 51 1 (Previously Presented) 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 
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 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 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 of an electric current to flow in the superconductor element. 

CLAIM 512 (Previously Presented) 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 layered characteristic and a 
perovskite related structure, the copper-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 III B element, the composition comprising a superconductive/resistive 



132 



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 for 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 513 (Previously Presented) 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 transition metal oxide 
compound comprising a crystal structure comprising a layered characteristic 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 II A element and at least one element selected from the group consisting 
of a rare earth element and a Group NIB element; 

(b) a temperature controller for 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 of an electric current to flow in the superconductor element. 



133 



CLAIM 514 (Previously Presented) 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 layered characteristic and 
a perovskite related structure, the transition metal-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 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-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 for 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 515 (Previously Presented) 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 layered characteristic and a 
perovskite related structure, the copper-oxide compound including 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 



134 



one element selected from the group consisting of a Group III 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 controller for 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 516 (Previously Presented) An apparatus of claim 146 wherein said 
means for carrying a superconductive current is comprised of an oxide. 

CLAIM 51 7 (Currently Amended) An apparatus comprising: 

a superconductive current carrying element comprising a T « □ 26DK 
Tg greater than or ecual to 26°K : 

said superconductive current carrying element comprises a metallic, oxygen- 
deficient, perovskite-like, mixed valent copper compound. 

CLAIM 51 8 (Currently Amended) An apparatus according to claim 51 7, wherein 
said superconductive current carrying element is at a temperature greater than or 
equal gSBK to 26°K . 

CLAIM 51 9 (Previously Presented) An apparatus according to claim 517, further 
including a temperature controller for maintaining said superconductive current 
carrying element at a temperature less than said Tc. 



135 



CLAIM 520 (Previously Presented) An apparatus according to anyone of claims 
517, 518 or 519, wherein said superconductive current carrying 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 521 (Previously Presented) An apparatus according to anyone of claims 
517, 518 or 519, wherein said superconductive current carrying 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. 

CLAIM 522 (Currently Amended) An apparatus comprising: 

a superconductive current carrying element comprising a T e □ 26DK Tg greater 
than or eoual to 26°K : 

said superconductive current carrying element comprises a composition that can 
be made according to known principles of ceramic science. 

CLAIM 523 (Currently Amended) An apparatus according to claim 522, wherein 
said superconductive current carrying element is at a temperature greater than or 
equal to 36BK26!K. 

CLAIM 524 (Previously Presented) An apparatus according to claim 523, further 
including a temperature controller for maintaining said superconductive current 
carrying element at a temperature less than said Tc. 

CLAIM 525 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying 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. 

136 



CLAIM 526 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying 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. 

CLAIM 527 (Previously Presented) An apparatus according to claim 525, 
wherein said superconductive current carrying element comprises a transition 
metal. 

CLAIM 528 (Previously Presented) An apparatus according to claim 526, 
wherein said superconductive current carrying element comprises a transition 
metal. 

CLAIM 529 (Previously Presented) An apparatus according to claim 522, 
wherein said superconductive current carrying element comprises copper oxide. 

CLAIM 530 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying element is 
substantially perovskite. 

CLAIM 531 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying element 
comprises a perovsl<ite-like structure. 

CLAIM 532 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying element 
comprises a perovskite related structure. 



137 



CLAIM 533 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying element 
comprises a nonstoichiometric amount of oxygen. 

CLAIM 534 (Previously Presented) An apparatus according to anyone of claims 
522, 523 or 524, wherein said superconductive current carrying 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, moanc a temperature controller for maintaining said 
superconductor at an operating temperature in excess of said onset temperature 
to maintain said superconductor in a superconducting state and flf^e€tf>s a current 
source for passing current through said superconductor while in said 
superconducting state. 

CLAIM 536 (Previously Presented) An apparatus comprising: 

a means for carrying a superconductive current exhibiting a superconductive 
state at a temperature greater than or equal to 26°K, 

a cooler for cooling said composition to a temperature greater than or equal to 
26°K at which temperature said means for carrying a superconductive current 
exhibits said superconductive state, and 

a current source for passing an electrical current through said composition while 
said composition is in said superconductive state. 

CLAIM 537 (Previously Presented) An apparatus comprising: 



138 



a metallic, oxygen-deficient, perovskite-like, mixed valent transition metal 
composition exhibiting a superconductive state at a temperature greater than or 
equal to 26°K, 

a temperature controller maintaining said composition at a temperature greater 
than or equal to 26°K at which temperature said composition exhibits said 
superconductive state, and 

a current source passing an electrical current through said composition while 
said composition is in said superconductive state. 

CLAIM 538 (Previously Presented) The apparatus of claim 537, where said 
means for carrying a superconductive current is comprised of a metal oxide. 

CLAIM 539 (Previously Presented) The apparatus of claim 537, where said 
means for carrying a superconductive current is comprised of a transition metal 
oxide. 

CLAIM 540 (Previously Presented) An apparatus comprising: 

a composition comprising oxygen exhibiting a superconductive state at a 
temperature greater than or equal to 26°K, a temperature controller for 
maintaining said composition at a temperature greater than or equal to 26°K at 
which temperature said composition exhibits said superconductive state, and 

a source of an electrical current through said composition while said composition 
is in said superconductive state. 

CLAIM 541 (Previously Presented) An apparatus according to claim 540, where 
said composition is comprised of a metal oxide. 



139 



CLAIM 542 (Previously Presented) An apparatus according to claim 541, where 
said composition is comprised of a transition metal oxide. 

CLAIM 543 (Currently Amended) A combination, comprising: 

an oxygen containing composition exhibiting the onset of a DC substantially zero 
resistance state at an onset temperature in excess of 30°K, and 

moans a current source for passing an electrical current through said 
composition while it is in said substantially zero resistance state. 

CLAIM 544 (Previously Presented) An apparatus according to claim 535, 
wherein said superconductor can be made according to known 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. 

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 
principles 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 claim 543, 
wherein said composition can be made according to known principles of 
ceramic science. 



140 



CLAIM 549 (Previously Presented) An apparatus according to anyone of claims 
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 (Previously Presented) An apparatus according to anyone of claims 
517 to 520 or 521 , wherein said superconductive current carrying element can be 
made according to known principles of ceramic science. 



141