US4808488A
Expired / Lapsed
US
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Hybrid superconductive wires or ribbons comprising a chevrel phase and another superconductive phase
Assignee: Centre National de la Recherche Scientifique
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Filing: 1987-05-22
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Granted: 1989-02-28
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Expires: 2007-05-22
Abstract
Abstract A hybrid superconductive fiber or strand comprises at least two layers surrounding a core wherein the fiber or strand comprises two superconductive materials. One of the superconductive materials is a Chevrel phase, optionally doped, which constitutes one of the layers or the core. The other superconductive material, other than the Chevrel phase, constitutes another layer, optionally lacunar, or the core.
Inventors
- 👤 Roger A. Chevrel
- 👤 Marcel M. Sergent
- 👤 Maryvonne F. Hirrien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:54
CPC Classifications
H; H10; H10N; H10N60/00; H10N60/01; H10N60/0212; H10N60/20; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/884; Y10S505/887; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12097; Y10T428/12486; Y10T428/12493
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
78 words
A hybrid superconductive wire or ribbon comprising at least two layers surrounding a core wherein said wire or ribbon comprises two superconductive materials, one of said superconductive materials being a Chevrel phase and the other of said superconductive materials being different from a Chevrel phase, and wherein each of said superconductive materials constitutes one of said layers, or one of said superconductive materials consitutes the core, and the other of said superconductive materials constitutes one of said layers.
Claim 2
Dependent Claim
78 words
A hybrid superconductive wire or ribbon comprising at least two layers surrounding a core wherein said wire or ribbon comprises two superconductive materials, one of said superconductive materials being a Chevrel phase and the other of said superconductive materials being different from a Chevrel phase, and wherein each of said superconductive materials constitutes one of said layers, or one of said superconductive materials consitutes the core, and the other of said superconductive materials constitutes one of said layers.
Claim 3
Dependent Claim
27 words
The hybrid superconductive wire or ribbon of claim 1 wherein said two superconductivd materials constitute two adjacent layers, or constitute said core and an immediately adjacent layer.
Claim 4
Dependent Claim
18 words
The hybrid superconductive wire or ribbon of claim 1 wherein one of said superconductive materials comprises said core.
Claim 5
Dependent Claim
16 words
The hybrid superconductive wire or ribbon of claim 1 wherein said Chevrel phase comprises the core.
Claim 6
Dependent Claim
30 words
The hybrid superconductive wire or strand of claim 1 wherein said superconductive material, other than said Chevrel phase, is an A-15 phase, a Laves phase or a Nb-Ti type alloy.
Claim 7
Dependent Claim
12 words
Multifilamentary wire comprising a plurality of the hybrid wires of claim 1.
References Cited (Backward Citations)
US2195199A
Cited
US4629515A
Cited
US4575927A
Cited
US4531982A
Cited
EP0138719A2
Cited
EP0171918A1
Cited
US4704249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-28 | 1992-08-29 | 1993-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-28 | 1996-08-29 | 1997-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-28 | 2000-08-29 | 2001-02-28 | $7700.00 | Window Closed / Lapsed |