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IN THE CLAIMS 



CLAIM 1 (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 [[near]] 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 [[in excess of]] greater than or equal to 26°K, a means 
for maintaining said composition at said temperature to exhibit said superconductivity and 
means 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. 

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



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f 

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 (Currently Amended) A superconducting combination, including a 
superconductive composition having a transition temperature [[>]] greater than or equal to 
26°K, 

means 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 

cooling means for cooling said composition to a superconducting state at a temperature 
[[in excess of]] 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. 



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# 



1 



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 1 5, 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. 



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CLAIM 24 (Currently Amended) An apparatus comprising: 

a transition metal oxide having a phase therein which exhibits a superconducting state at 
a critical temperature [[in excess]] greater than or equal to of 26°K, 

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

means 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 (Currently Amended) A superconducting apparatus comprising a composition 
having a transition temperature [[in excess of]] 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, means for maintaining said composition at a temperature greater than 
or equal to said transition temperature to put said composition in a superconducting state; 
and means 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. 



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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 (Currently Amended) The superconducting apparatus of claim 27, where said 
composition has a crystalline structure which enhances electron-phonon interactions to 
produce superconductivity at a temperature [[in excess of]] greater than or equal to 26°K. 

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

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

CLAIM 34 (Currently Amended) A superconducting apparatus having a superconducting 
onset temperature [[in excess of]] 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 3+ ions in 
said composition and a means 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. 



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CLAIM 36 (Currently Amended) A combination comprising: 

a composition having a superconducting onset temperature [[in excess of]] 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, 

means for passing a superconducting electrical current through said composition while 
said composition is at a temperature [[in excess of]] greater than or equal to 26°K and less 
than said superconducting onset temperature, and 

cooling means for cooling said composition to a superconducting state at a temperature 
[[in excess of]] 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 3+ 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 2+ and Cu 3+ ions in 
said composition. 

CLAIM 40 (Currently Amended) An apparatus comprising a superconductor exhibiting a 
superconducting onset at an onset temperature [[in excess of]] 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 [[in excess of]] greater than or equal to 26°K, 
means for maintaining said superconductor at an operating temperature in excess of said 
onset temperature to maintain said superconductor in a superconducting state and 
means for passing current through said superconductor while in said superconducting 
state. 



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# 



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

CLAIM 42 (Currently Amended) 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 means 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 (Currently Amended) 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 a means for passing a 
superconducting electric current through said superconductor. 

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

CLAIM 48 (Currently Amended) A superconductive apparatus comprising a 
superconductive composition comprised of a transition metal oxide having substitutions 
therein, the amount of said substitutions being sufficient to produce sufficient 
electron-phonon interactions in said composition that said composition exhibits a 

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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 (Currently Amended) 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 [[in excess of]] 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. 

CLAIM 55 (Currently Amended) A combination, comprising: 

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



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

cooling means 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 (Currently Amended) A combination including; 

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

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

means 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 (Currently Amended) 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 having a layer-like structure, 

means 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 



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means 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 (Currently Amended) A combination, comprised of: 

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

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

means 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 (Currently Amended) 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 [[in excess]] greater than or equal to of 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 at a temperature 
[[in excess of]] greater than or equal to 26°K. 

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



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CLAIM 62 (Currently Amended) 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 [[in excess of]] 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 [[in excess]] 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 T c greater than or equal to 26°K, 

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

cooling means for cooling said composition to a temperature greater than or eoual to 
26°K and less than said T c . 

CLAIM 65 (Currently Amended) 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 



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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 [[in excess of]] greater than or equal 
to 26°K. 

CLAIM 66 (Currently Amended) 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 [[in excess of]] 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 (Currently Amended) A superconductive combination, comprising: 

a superconducting composition exhibiting a superconducting transition temperature 
greater than or eoual to 26°K, said composition being a transition metal oxide having a 
distorted orthorhombic crystalline structure, and 

means for passing a superconducting electrical current through said composition while 
said composition is at a temperature greater than or eoual to 26°K and less than said 
superconducting transition temperature. 



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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 (Currently Amended) A method for making a superconductor having a 
superconducting onset temperature [[>]] greater than or equal to 26°K, said 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 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 T c of the superconducting composition. 



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CLAIM 75 (Currently Amended) A method for making a superconductor having 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-O, said 
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 (Original) The method of claim 75, where said heating step is done in an 
atmosphere including oxygen. 

CLAIM 77 (Currently Amended) A combination, comprising: 

a mixed copper oxide composition including an alkaline earth element (AE) and a rare 
earth or rare earth-like element (RE), said composition having a 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 [[in excess of]] greater than or equal to 26°K, said 
mixed copper oxide having a superconducting onset temperature greater than or equal to 
26°K, and 

electrical means for passing an electrical superconducting current through said 
composition when said composition exhibits substantially zero resistance at a 
temperature greater than or eoual to 26°K and less than said onset temperature. 



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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 (Currently Amended) A method for making a superconductor having 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-O, said method including the steps of combining said rare earth or rare 
earth-like element, said alkaline earth element and said transition metal element in the 
presence of oxygen to produce a mixed transition metal oxide including said rare earth or 
rare earth-like element and said alkaline earth element therein, and 

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

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



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

a mixed transition metal oxide composition containing a non-stoichiometric amount of 
oxygen therein, a transition metal and at least one 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 [[in excess of]] greater 
than or equal to 26°K, and 

electrical means 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 (Currently Amended) An apparatus comprising: 

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

means 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 

means 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. 



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CLAIM 88 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K, 

a cooler for cooling said composition to a temperature [[in excess of]] 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. 

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 

means 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. 



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CLAIM 93 (Currently Amended) 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 

means for producing an electrical current through said copper oxide material while it is in 
a superconducting state at a temperature [[in excess of]] 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. 

CLAIM 96 (Currently Amended) A superconductive apparatus for causing electric-current 
flow in a superconductive state at a temperature [[in excess of]] 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 T c of greater than or eoual to 26°K; 

(b) means for maintaining the superconductor element at a temperature [[above]] greater 
than or equal to 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

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



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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. 

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

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



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superconductive/resistive-transition temperature range between an upper limit defined by 
a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T q=0 , the transition-onset 
temperature T c being greater than or equal to 26°K; 

(b) means for maintaining the superconductor element at a temperature below the 
effectively-zero-bulk-resistivity intercept temperature T q=0 of the superconductive 
composition; and 

(c) means 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. 

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. 



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CLAIM 1 09 (Currently Amended) 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 [[in excess of]] greater than or equal to 26°K, means for 
maintaining said composition at said temperature to exhibit said superconductivity and 
means 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 (Currently Amended) 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 temperature less than said 
superconducting onset temperature and having a superconducting current flowing 
therein. 

CLAIM 112 (Currently Amended) 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 (Currently Amended) 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. 



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CLAIM 114 (Currently Amended) 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 IIIB element, an alkaline earth, 
and copper. 

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

CLAIM 116 (Currently Amended) An apparatus comprising a transition metal oxide 
having a T c greater than or eoual to 26°K carrying a superconducting current said 
transition metal oxide is maintained at a temperature less than said T c . 

CLAIM 117 (Currently Amended) A structure comprising a transition metal oxide having a 
T c greater than or eoual to 26°K carrying a superconducting current. 

CLAIM 118 (Currently Amended) An apparatus comprising a transition metal oxide 
having a T c greater than or equal to 26°K carrying a superconducting current. 

CLAIM 1 1 9 (Currently Amended) A device comprising a copper oxide having a T c greater 
than or eoual to 26°K carrying a superconducting current said copper oxide is maintained 
at a temperature less than said T c . 

CLAIM 120 (Currently Amended) An apparatus comprising a copper oxide having a T c 
greater than or eoual to 26°K carrying a superconducting current said copper oxide is 
maintained at a temperature less than said T 0 . 



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CLAIM 121 (Currently Amended) A device comprising a copper oxide having a T c greater 
than or equal to 26°K carrying a superconducting current. 

CLAIM 122 (Currently Amended) An apparatus comprising a copper oxide having a T c 
greater than or equal to 26°K carrying a superconducting current. 

CLAIM 123 (Currently Amended) 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 exhibits a superconducting state at a 
critical temperature [[in excess of]] greater than or equal to 26°K; 

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

CLAIM 124 (Currently Amended) A device comprising a composition of matter having a T c 
greater than or equal to 26°K carrying a superconducting current, said composition 
comprising at least one each of a 1MB element, an alkaline earth, and copper oxide said 
device is maintained at a temperature less than said T c . 

CLAIM 125 (Currently Amended) An apparatus comprising a composition of matter 
having a T c 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. 



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CLAIM 126 (Currently Amended) A device comprising a composition of matter having a T c 
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 (Currently Amended) A device comprising a composition of matter having a T c 
greater than or equal to 26°K carrying a superconducting current, said composition 
comprising at least one each of a 1MB element, and copper oxide. 

CLAIM 128 (Currently Amended) A transition metal oxide device comprising a T c [[>]] 
greater than or eoual to 26°K and carrying a superconducting current. 

CLAIM 129 (Currently Amended) A copper oxide device comprising a Tc [[>]] greater than 
or eoual to 26°K and carrying a superconducting current. 

CLAIM 130 (Currently Amended) A superconductive apparatus comprising a composition 
having a transition temperature greater than or eoual to 26°K, the composition including a 
rare earth or Group III B element, a transition metal element capable of exhibiting 
multivalent states and oxygen, including at least one phase that exhibits 
superconductivity at temperature [[in excess of]] greater than or eoual to 26°K, a means 
for maintaining said composition at said temperature to exhibit said superconductivity and 
means for passing an electrical superconducting current through said composition which 
exhibiting said superconductivity. 

CLAIM 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. 



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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 NIB element. 

CLAIM 135 (Currently Amended) A combination, comprising: 

a mixed copper oxide composition including an alkaline 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 [[in excess of]] greater than or equal to 26°K, said mixed 
copper oxide having a superconducting onset temperature greater than or 
equal to 26°K and, 

electrical means for passing an electrical superconducting current through 
said composition when said composition exhibits substantially zero 
resistance at a temperature greater than or eoual to 26°K and less than said 
onset temperature. 

CLAIM 1 36 (Previously Presented) The combination of claim 77, where said crystalline 
structure is substantially perovskite. 

CLAIM 137 (Currently Amended) An apparatus comprising: 

a composition including a transition metal, a rare earth or Group III B element, an alkaline 
earth element, and oxygen, where said composition is a mixed transition metal oxide 



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having a non-stoichimetric amount of oxygen therein and exhibiting a superconducting 
state at a temperature greater than or equal to 26°K, 

means 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 

means 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. 

CLAIM 139 (Currently Amended) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature [[in excess of]] 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 T c of greater 
than or equal to 26°K; 

(b) means for maintaining the superconductor element at a temperature 
[[above]] greater than or equal to 26°K and below the superconductor 
transition temperature T c of the superconductive composition; and 

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



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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 T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T r=0 , the 
transition-onset temperature T c being greater than or equal to 26°K; 

(b) means for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk- resistivity intercept temperature T r=0 of the 
superconductive composition; and 

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

CLAIM 141 (Currently Amended) An apparatus comprising a transition metal oxide 
having a phase therein which exhibits a superconducting state at a critical temperature 
[[in excess of]] 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 



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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 (Currently Amended) An apparatus comprising: 

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

a temperature controller 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 (Currently Amended) An apparatus: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K, 



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a temperature controller maintaining said composition at a temperature [[in excess of]] 
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. 

CLAIM 149 (Currently Amended) A superconductive apparatus for causing electric 
current flow in a superconductive state at a temperature [[in excess of]] greater than or 
equal to 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
composition having a superconductor transition temperature T 0 of greater 
than or equal to 26°K; 

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

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



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• 



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 1 53 (Previously Presented) The superconductive apparatus according to claim 
149 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

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

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

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

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

CLAIM 156 (Currently Amended) A superconductive apparatus for conducting an electric 
current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
copper-oxide compound including at least one rare-earth or rare-earth-like 
element and at least one alkaline-earth element, the composition having a 



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superconductive/resistive-transition defining a 

superconductive/resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c 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 T p=0 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. 

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. 



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# 



CLAIM 162 (Currently Amended) An apparatus including copper oxide having a phase 
therein which exhibits a superconducting state at a critical temperature [[in excess of]] 
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. 

CLAIM 163 (Currently Amended) An apparatus comprising: 

a composition including 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. 



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CLAIM 164 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K; 

a temperature controller maintaining said composition at a temperature [in excess of] 
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. 

CLAIM 165 (Currently Amended) An apparatus for causing electric-current flow in a 
superconductive state at a temperature [[in excess of]] greater than or eoual 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 T c of greater 
than or eoual 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 1MB element; 

(b) a temperature controller maintaining the superconductor element at a 
temperature [[above]] greater than or eoual to 26°K and below the 



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# 



superconductor transition temperature T c of the superconductive 
composition; and 

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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound 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 
1MB 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 T c and a lower limit 
defined by an effectively-zero-bulk-resistivity intercept temperature Tp= 0 , 
the transition-onset temperature T c 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 T p=0 of the superconductive composition; and 

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



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# 



CLAIM 167 (Currently Amended) An apparatus comprising: 

a copper oxide having a phase therein which exhibits a superconducting state at a critical 
temperature [[in excess of]] 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 NIB element. 

CLAIM 168 (Currently Amended) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group 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; 

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

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



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CLAIM 169 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K; 

a temperature controller maintaining said composition at a temperature [in excess of] 
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 (Currently Amended) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature [[in excess of]] greater 
than or eoual 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 T c of greater 
than or eoual 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; 



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

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

CLAIM 171 (Currently Amended) A superconductive apparatus for conducting an electric 
current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
copper-oxide compound including 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 1MB 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 T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c 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 T p=0 of the superconductive composition; and 

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



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CLAIM 172 (Currently Amended) An apparatus comprising: 

a transition metal oxide having a phase therein which exhibits a superconducting state at 
a critical temperature [[in excess of]] 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 1MB element. 

CLAIM 173 (Currently Amended) 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 1MB 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-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. 



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CLAIM 174 (Currently Amended) An apparatus: 

forming a composition exhibiting a superconductive state at a temperature [[in excess of]] 
greater than or equal to 26°K; 

a temperature controller maintaining said composition at a temperature [[in excess of]] 
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 1MB element. 

CLAIM 175 (Currently Amended) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature [[in excess of]] 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 layer-type perovskite-like crystal structure, the composition having a 
superconductive transition temperature T c of greater than or eoual 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; 



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

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

CLAIM 176 (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 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 T c and a lower limit defined by an 
effectively-zero-bu Ik- resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor element. 
CLAIM 177 (Currently Amended) An apparatus comprising: 

a copper oxide having a phase therein which exhibits a superconducting state at a critical 
temperature [[in excess of]] greater than or equal to 26°K; 




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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 (Currently Amended) 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; 

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 (Currently Amended) A structure comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or eoual to 26°K; 



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a temperature controller maintaining said composition at a temperature [[in excess of]] 
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 1MB element. 

CLAIM 180 (Currently Amended) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature [[in excess of]] 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 T c 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 
[[above]] greater than or equal to 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

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



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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the copper-oxide compound including Group 
II A element, and at least one element selected from the group consisting of a rare earth 
element and a Group 1MB 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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

CLAIM 182 (Currently Amended) An 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 [[in excess of]] 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 (Currently Amended) An apparatus comprising a superconducting transition 
metal oxide having a superconductive onset temperature greater than or equal to 26°K, a 



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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 (Currently Amended) 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 (Currently Amended) 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. 

CLAIM 186 (Currently Amended) 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 (Currently Amended) An apparatus comprising a superconducting electrical 
current in a transition metal oxide having a T c greater than or equal to 26°K and 
maintaining said transition metal oxide at a temperature less than said T c . 



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

CLAIM 189 (Currently Amended) An apparatus comprising: 

a composition of the formula Ba x La x -5, Cu50Y, 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 [[in excess of]] 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 

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

CLAIM 190 (Currently Amended) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c 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 T c . 

CLAIM 191 (Currently Amended) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c 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 T c . 



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CLAIM 192 (Currently Amended) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c 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 T c . 

CLAIM 193 (Currently Amended) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c 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 T c . 

CLAIM 194 (Currently Amended) An apparatus comprising a current source flowing a 
superconducting electrical current in a transition metal oxide comprising a T c [[>]] greater 
than or equal to 26°K and a temperature controller maintaining said transition metal oxide 
at a temperature less than said T c . 

CLAIM 195 (Currently Amended) An apparatus comprising a current source flowing a 
superconducting electrical current in a copper oxide composition of matter comprising a 
T c [[>]] greater than or equal to 26°K and a temperature controller maintaining said copper 
oxide composition of matter at a temperature less than said T c . 

CLAIM 196 (Currently Amended) 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-stoichiometric amount of oxygen therein and exhibiting a superconducting state at a 
temperature greater than or equal to 26°K, 



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a temperature 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 (Currently Amended) A superconductive apparatus for causing electric 
current flow in a superconductive state at a temperature [[in excess of]] 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 T c of greater than or eoual to 26°K; 

(b) a temperature controller maintaining the superconductor element at a temperature 
[[above]] greater than or eoual to 26°K and below the superconductor transition 
temperature T c 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. 



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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. 

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

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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
copper-oxide compound including at least one element selected from the 
group consisting of a rare-earth element, a Group NIB 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 T c and a 
lower limit defined by an effectively-zero-bulk-resistivity intercept 



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temperature T p= o , the transition-onset temperature T c 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 T p=0 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. 

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

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

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

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

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

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

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

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

CLAIM 212 (Currently Amended) A superconductive apparatus for conducting an electric 
current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
copper-oxide compound including at least one element selected from the 
group consisting of a 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 T c and a lower limit 
defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c being greater than or equal to 26°K; 



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(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature T p=0 of the superconductive composition; and 

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

CLAIM 213 (Currently Amended) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature [[in excess of]] 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 T c 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 [[above]] greater than or equal to 26°K and below the 
superconductor transition temperature T c of the superconductive 
composition; and 

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



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CLAIM 214 (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 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 T c and a 
lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature T p=0 , the transition-onset temperature T c 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 T p=0 of the superconductive composition; and 

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

CLAIM 215 (Currently Amended) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature [[in excess of]] 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 T c of 



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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 [[above]] greater than or equal to 26°K and below the 
superconductor transition T c of the superconductive composition; and 

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

CLAIM 216 (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 
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 1MB 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 T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p = 0 , the 
transition-onset temperature T c 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 T p=0 of the superconductive composition; and 



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(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 transistor 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. 

CLAIM 222 (Previously Presented) An apparatus according to claim 1 87 wherein said 
transistor 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. 



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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 
transistor metal oxide comprises substantially layered perovskite crystal structure. 

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

CLAIM 231 (Currently Amended) An apparatus comprising a composition of matter 
having a T c 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 (Currently Amended) An apparatus comprising: 

a transition metal oxide comprising a phase therein which exhibits a superconducting 
state at a critical temperature [[in excess of]] greater than or equal to 26°K, 



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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 (Currently Amended) An apparatus comprising: 

a composition including a transition metal, a rare earth or rare earth-like element, an 
alkaline earth element, and oxygen, where said composition is a mixed transition 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. 



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CLAIM 237 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K, a temperature controller for maintaining said composition at a 
temperature [[in excess of]] 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. 

CLAIM 240 (Currently Amended) An apparatus capable of carrying electric current flow in 
a superconductive state at a temperature [[in excess of]] 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 T c of greater than or equal to 26°K; 

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

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



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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. 

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

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



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superconductive/resistive-transition temperature range between an upper limit defined by 
a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 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. 

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. 



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CLAIM 253 (Currently Amended) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature [[in excess of]] 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. 

CLAIM 254 (Currently Amended) 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. 



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CLAIM 255 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K; 

a temperature controller for maintaining said composition at a temperature [[in excess of]] 
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. 

CLAIM 256 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature [[in excess of]] greater than or eoual 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 T c of greater than or eoual 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 
[[above]] greater than or eoual to 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 



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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-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 T c 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0) 
the transition-onset temperature T c 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 T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 
CLAIM 258 (Currently Amended) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature [[in excess of]] 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; 



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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 (Currently Amended) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group II A element and at least one element selected from the 
group consisting of a rare earth element and a Group 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 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 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or eoual to 26°K; 

a temperature for maintaining said composition at a temperature [[in excess of]] greater 
than or eoual 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 



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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 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature [[in excess of]] 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 T c 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 
[[above]] greater than or equal to 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

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

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

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



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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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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

CLAIM 263 (Currently Amended) An apparatus comprising: 

a transition metal oxide comprising a phase therein which exhibits a superconducting 
state at a critical temperature [[in excess of]] 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 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. 



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CLAIMS 264 (Currently Amended) 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 

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

CLAIM 265 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K; 

a temperature controller for maintaining said composition at a temperature [[in excess of]] 
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 NIB element. 

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CLAIM 266 (Currently Amended) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature [[in excess of]] 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 T c 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 
[[above]] greater than or equal to 26°K and below the superconductor transition T c of the 
superconductive composition; and 

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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide compound 
comprising a 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 comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature T c 



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and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c 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 T p=0 of the 
superconductive composition; and 

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

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature [[in excess of]] 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 (Currently Amended) An apparatus comprising: 

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

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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 270 (Currently Amended) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature [[in excess of]] greater 
than or equal to 26°K; 

a temperature controller for maintaining said composition at a temperature [[in excess of]] 
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 (Currently Amended) An apparatus for causing an electric-current flow in a 
superconductive state at a temperature [[in excess of]] greater than or eoual to 26°K, 
comprising: 



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

essentially of a copper-oxide compound comprising a layer-type perovskite-like crystal 
structure, the composition comprising a superconductive transition temperature T c 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; 

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

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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-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 1MB 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c being greater than or equal to 26°K; 



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(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

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

CLAIM 273 (Currently Amended) An apparatus comprising a composition comprising a 
transition temperature greater than or equal to 26°K, the composition including a rare 
earth or alkaline earth element, a transition metal element capable of exhibiting 
multivalent states and oxygen, including at least one phase that exhibits 
superconductivity at temperature [[in excess of]] 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 (Currently Amended) An apparatus comprising providing a superconducting 
transition metal oxide comprising a superconductive onset temperature greater than or 
eoual 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 (Currently Amended) An apparatus comprising a superconducting copper 
oxide comprising a superconductive onset temperature greater than or eoual 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 (Currently Amended) An apparatus comprising a superconducting oxide 
composition comprising a superconductive onset temperature greater than or eoual to 
26°K , a temperature controller for maintaining said superconducting copper oxide at a 



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

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

CLAIM 279 (Currently Amended) An apparatus comprising a source of a superconducting 
current in a copper oxide comprising a T c greater than or equal to 26°K and a temperature 
controller for maintaining said copper oxide at a temperature less than said T c . 

CLAIM 280 (Currently Amended) An apparatus comprising: 

a composition of the formula Ba x La x -5, Cu 5 Oy, wherein x is from about 0.75 to about 1 and 
y is the oxygen deficiency resulting from annealing said composition at temperatures from 
about 540°C to about 950°C and for times of about 15 minutes to about 12 hours, said 
composition comprising a metal oxide phase which exhibits a superconducting state at a 
critical temperature [[in excess of]] greater than or equal to 26°K; 



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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 (Currently Amended) An apparatus comprising a source of a superconducting 
electrical current in a composition of matter comprising a T c 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 T c . 

CLAIM 282 (Currently Amended) An apparatus comprising a source of a superconducting 
electrical current in a composition of matter comprising a T c 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 T c . 

CLAIM 283 (Currently Amended) An apparatus comprising a source of a superconducting 
electrical current in a composition of matter comprising a T c 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 T c . 

CLAIM 284 (Currently Amended) An apparatus comprising a source of a superconducting 
electrical current in a composition of matter comprising a T c 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 T c . 



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CLAIM 285 (Currently Amended) An apparatus comprising a source of a superconducting 
electrical current in a transition metal oxide comprising a T c [[>]] greater than or equal to 
26°K and a temperature controller for maintaining said transition metal oxide at a 
temperature less than said T c . 

CLAIM 286 (Currently Amended) An apparatus comprising a source of a superconducting 
electrical current in a copper oxide composition of matter comprising a T c [[>]] greater than 
or equal to 26°K and a temperature controller for maintaining said copper oxide 
composition of matter at a temperature less than said T c . 

CLAIM 287 (Currently Amended) An apparatus comprising: 

a composition including a transition metal, a group NIB 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 eoual 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 (Currently Amended) An apparatus for causing electric current flow in a 
superconductive state at a temperature [[in excess of]] greater than or eoual to 26°K, 
comprising: 



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

b) a temperature controller for maintaining the superconductor element at a temperature 
[[above]] greater than or equal to 26°K and below the superconductor transition 
temperature T c 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 III B 
element and at least one alkaline-earth element. 

CLAIM 291 (Currently Amended) An apparatus according to claim 290 in which the 
rare-earth or raro oarth li ko 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 composition includes 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. 



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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 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. 



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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. 

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 (Currently Amended) An apparatus for causing electric-current flow in a 
superconductive state at a temperature [[in excess of]] 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 T c 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 
[[above]] greater than or equal to 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

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



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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a 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 comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature T c 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c 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 T p=0 of the 
superconductive composition; and 

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

CLAIM 304 (Currently Amended) An apparatus for causing electric-current flow in a 
superconductive state at a temperature [[in excess of]] 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 T c of greater than or eoual 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; 




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

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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a 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 T p=0 , 
the transition-onset temperature T c 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 T p=0 of the 
superconductive composition; and 

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



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CLAIM 306 (Currently Amended) An apparatus for causing electric-current flow in a 
superconductive state at a temperature [[in excess of]] 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 T c 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 1MB element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
[[above]] greater than or eoual to 26°K and below the superconductor transition T c of the 
superconductive composition; and 

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

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

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide compound 
comprising a substantially layered perovskite crystal structure, the transition metal-oxide 
compound including at least one element selected from the group consisting of a Group 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 T c 



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and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p = 0 , 
the transition-onset temperature T c 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 T p = 0 of the 
superconductive composition; and 

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

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

CLAIM 309 (Previously Presented) An apparatus according to claim 274 wherein said 
superconducting transistor 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 311 (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 
transistor metal oxide comprises a substantially layered perovskite crystal structure. 



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

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

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 
transistor 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 in bulk 
according to a principle comprising a general principle of ceramic science. 



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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, 197,214, 224, 235,236, 
237, 239, 254, 255, 259, 260, 264, 265 or 273, wherein said composition can be made in 
bulk according to a principle comprising a general principle of ceramic science. 

CLAIM 324 (Previously Presented) A combination according to anyone of claims 91 , 92 or 
36 to 39, wherein said composition can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 325 (Currently Amended) A superconductive apparatus according to anyone of 
claims 1 to 1 1 , 33 to 35, 66 to 68, 109 i [[or]] 130, 361-366 or 370. wherein said 
composition can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 326 (Previously Presented) An apparatus according to anyone of claims 93 to 95 
or 138, wherein said mixed copper oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 327 (Previously Presented) A combination according to anyone of claims 64 or 
135, wherein said mixed copper oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 328 (Currently Amended) A superconductive apparatus according to anyone of 
claims 48 to 52, 96 to 1 08 A [[or]] 1 98 to 204, 371 . 383 or 384. wherein said 
superconductive composition can be made in bulk according to a principle comprising a 
general principle of ceramic science. 



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CLAIM 329 (Currently Amended) A superconductive combination according to anyone of 
claims 12 to 23, 110, 131 A [[or]] 132[[,]] or 367-370, wherein said superconductive 
composition can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 330 (Previously Presented) An apparatus according to anyone of claims 185 or 
220, wherein said superconductive composition can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 331 (Previously Presented) A device according to claim 111, wherein said 
superconductive transition metal oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 332 (Previously Presented) An apparatus according to anyone of claims 183, 217, 
21 8, 274 or 309, wherein said superconductive transition metal oxide can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 333 (Previously Presented) A device according to claim 112, wherein said 
superconductive copper oxide can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 334 (Previously Presented) An apparatus according to anyone of claims 275, 276, 
31 0 or 31 1 , wherein said superconductive copper oxide can be made in bulk according to 
a principle comprising a general principle of ceramic science. 

CLAIM 335 (Previously Presented) A device according to claim 113, wherein said 
superconductive oxide composition can be made in bulk according to a principle 
comprising a general principle of ceramic science. 



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CLAIM 336 (Currently Amended) An apparatus according to anyone of claims 186, 221 , 
272 A [[or]] 312[[,]] or 413. wherein said superconductive oxide composition can be made 
in bulk according to a principle comprising a general principle of ceramic science. 

CLAIM 337 (Previously Presented) A device according to anyone of claims 1 14 or 1 17, 
wherein said transition metal oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 338 (Previously Presented) An apparatus according to anyone of claims 24 to 26, 
60 to 63, 116, 141 to 143, 172, 187,222, 232 to 234, 263, 278,285,287, 288, 31 3 or 320, 
wherein said transition metal oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 339 (Currently Amended) A superconductive apparatus according to anyone of 
claims 27-32 A [[or]] 1 32[[,]] or 370. wherein said transition metal oxide can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 340 (Previously Presented) An invention according to claim 118, wherein said 
transition metal oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 341 (Previously Presented) A transition metal oxide device according to claim 128, 
wherein said transition metal oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 342 (Previously Presented) An apparatus according to anyone of claims 40 to 45, 
wherein said superconductor can be made in bulk according to a principle comprising a 
general principle of ceramic science. 



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CLAIM 343 (Previously Presented) A device according to anyone of claims 1 19 or 121 , 
wherein said copper oxide can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 344 (Previously Presented) An apparatus according to claim 120, wherein said 
copper oxide can be made in bulk according to a principle comprising a general principle 
of ceramic science. 

CLAIM 345 (Previously Presented) An invention according to claim 122, wherein said 
copper oxide can be made in bulk according to a principle comprising a general principle 
of ceramic science. 

CLAIM 346 (Previously Presented) A superconductive apparatus according to claim 123, 
wherein said copper oxide can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 347 (Previously Presented) A copper oxide device according to claim 129, 
wherein said copper oxide can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 348 (Previously Presented) An apparatus according to anyone of claims 1 62, 1 67, 
177, 188, 223, 253, 258, 268, 269, 270, 279 or 314, wherein said copper oxide can be 
made in bulk according to a principle comprising a general principle of ceramic science. 

CLAIM 349 (Previously Presented) A combination according to claim 57, wherein said 
superconductive oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 350 (Currently Amended) A combination according to anyone of claims 58[[,]] or 
373. wherein said copper oxide conductor can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

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CLAIM 351 (Previously Presented) A combination according to claim 59, wherein said 
ceramic-like material can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 352 (Previously Presented) A superconductive combination according to anyone 
of claims 69 to 71 or 1 34, wherein said superconductive composition can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 353 (Currently Amended) A superconductive apparatus according to anyone of 
claims 139, 140, 149 to 155, 156 to 161, 170, 171, 175, 176, 180, 181, [[or]] 205 to 216, 
387-393. or 396-401 . wherein said superconductive composition can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 354 (Currently Amended) An apparatus according to anyone of claims 165, 166, 
1 85, 220, 240 to 246, 247 to 252, 261 , 262, 289, [[or]] 290 to 301 , 394. 395. 402-406. 409 
or 410, wherein said superconductive composition can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 355 (Currently Amended) A combination according to anyone of claims 77 to 81, 
[[or]] 186, 379 or 380, wherein said mixed copper oxide composition can be made in bulk 
according to a principle comprising a general principle 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 in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 357 (Currently Amended) An apparatus according to anyone of claims 1 90 to 1 94, 
225 to 229, 231 , 256, 257, 266, 267, 271 , 272, 281 to 284, [[or]] 31 7 to 31 9, 407. or 411 to 
413, wherein said composition of matter can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

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CLAIM 358 (Previously Presented) An apparatus according to anyone of claims 186 or 
221 , wherein said superconductive oxide composition can be made in bulk according to a 
principle comprising a general principle 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 in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 360 (Previously Presented) An apparatus according to anyone of claims 286 or 
321 , wherein said copper oxide composition can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 361 (New) 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 means for 
maintaining said composition at said temperature to exhibit said superconductivity and 
means for passing an electrical superconducting current through said composition while 
exhibiting said superconductivity. 

CLAIM 362 (New) 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 (New) 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. 



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

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

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

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

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

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

CLAIM 370 (New) 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 (New) The superconductive apparatus of claim 48, where said substitutions 
include a rare earth or an element comprising a rare earth characteristic. 

CLAIM 372 (New) 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. 



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CLAIM 373 (New) 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, 

means 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 

means 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 (New) 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, 

means 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 

means 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. 



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CLAIM 375 (New) 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 (New) 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 (New) A method for making a superconductor having a superconducting 
onset temperature greater than or equal to 26°K, said 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 superconducting composition comprising 
a crystalline structure comprising a layered characteristic after said annealing step. 



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CLAIM 378 (New) A method for making 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-O, 
said method including 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 (New) 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 

electrical means 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 (New) The combination of claim 379, wherein said crystalline structure 
comprises a perovskite characteristic. 



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CLAIM 381 (New) A method for making 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-O, said method including 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 (New) The apparatus of claim 93, where said copper oxide material exhibits a 
crystalline structure comprising a layered characteristic. 

CLAIM 383 (New) 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 characteristic and a layered characteristic, the 
composition having a superconductor transition temperature T c of greater than or equal to 
26°K; 



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

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

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

CLAIM 386 (New) 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 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T q=0 , the transition-onset 
temperature T c being greater than or equal to 26°K; 



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(b) means for maintaining the superconductor element at a temperature below the 
effectively-zero-bulk-resistivity intercept temperature T q=0 of the superconductive 
composition; and 

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

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

CLAIM 388 (New) An apparatus comprising: 

a composition including a transition metal, a rare earth or an element 
comprising a rare earth characteristic, an alkaline earth element, and 
oxygen, where said composition is a mixed transition metal oxide having a 
non-stoichiometric amount of 

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

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 389 (New) 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 



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characteristic and a perovskite characteristic, the composition having a 
superconductor transition temperature T c 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 T c of the superconductive composition; and 

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

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

CLAIM 392 (New) 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 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 T c and a lower limit defined 



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by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c 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 T p=0 of the superconductive composition; and 

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

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

CLAIM 394 (New) 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 T c 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 T c of the superconductive composition; and 

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



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CLAIM 395 (New) 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 I! 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 T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c 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 T p=0 of the superconductive composition; and 

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

CLAIM 396 (New) 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 



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superconductive transition temperature T c 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 maintaining the superconductor element at a 
temperature greater than or equal to 26°K and below the superconductor 
transition temperature T c of the superconductive composition; and 

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

CLAIM 397 (New) 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 1MB 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 T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c being greater than or equal to 26°K; 



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(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept 
temperature T p=0 of the superconductive composition; and 

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

CLAIM 398 (New) 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 T c 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 NIB element; 

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

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

CLAIM 399 (New) 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 



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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 1MB 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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

CLAIM 400 (New) 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 T c 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 T c of 
the superconductive composition; and 



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

CLAIM 401 (New) 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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

CLAIM 402 (New) 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 T c of 
greater than or equal to 26°K; 



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(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 T c of 
the superconductive composition; and 

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

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

CLAIM 405 (New) 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 
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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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= 0 of the 
superconductive composition; and 



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

CLAIM 406 (New) An apparatus according to claim 405 in which the rare-earth or element 
comprising a rare earth characteristic is lanthanum. 

CLAIM 407 (New) 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 T c 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 T c of 
the superconductive composition; and 

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

CLAIM 408 (New) 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 

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

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bu Ik-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

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

CLAIM 409 (New) 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 T c 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 1MB 
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 T c of 
the superconductive composition; and 

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



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CLAIM 410 (New) 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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

CLAIM 41 1 (New) 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 T c 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 



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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 T c of the 
superconductive composition; and 

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

CLAIM 412 (New) 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 
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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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



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CLAIM 413 (New) 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 T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p= o, the transition-onset 
temperature T c 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 T p=0 of the 
superconductive composition; and 

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



Serial No. 08/479,810 



Page 109 of 149 



Docket No. YO987-074BZ