Patent US3728165A successfully refreshed from Google Patents.
US3728165A
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Method of fabricating a composite superconductor
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1970-10-19
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Granted: 1973-04-17
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Expires: 1990-10-19
Abstract
Abstract A15 SUPERCONDUCTIVITY COMPOUNDS OFF GENERAL FORMULA A3B ARE MANUFACTURED BY FORMING AN ALLOY OF B IN A CAARRIER, CONTACTING THE ALLOY WITH A AND HEAT TREATING SO THAT A SOLID STATE REACTION OCCURS BETWEEN A AND B.
Inventors
- 👤 B Howlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:31
CPC Classifications
H; H10; H10N; H10N60/00; H10N60/01; H10N60/0184; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S505/00; Y10S505/80; Y10S505/815; Y10S505/818; Y10S505/822; Y10S505/825; Y10S505/884; Y10S505/887; Y10S505/917; Y10S505/918; Y10S505/919; Y10S505/928; Y10S505/93; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12681; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |