US3824082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing superconducting niobium-gallium alloy
Assignee: RCA Corp
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Filing: 1972-07-03
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Granted: 1974-07-16
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Expires: 1992-07-03
Abstract
Abstract AN IMPROVED METHOD FOR PREPARING SUPERCONDUCTING NOBIUM-GALLIUM ALLOY HAVING A HIGH CRITICAL TEMPERATURE WHEREBY NOBIUM-GALLIUM ALLOY IS DEPOSITED FROM ITS HALIDES AT TEMPERATURES OF 640-700*C. INTO A SUBSTRATE COATED WITH A FIRST LAYER OF A B-TUNGSTEN NIOBIUM-GALLIUM ALLOY DEPOSITED AT TEMPERATURES ABOVE 700*C.
Inventors
- 👤 L Vieland
- 👤 A Wicklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/02; C23C16/0272; C23C16/0281; H; H10; H10N; H10N60/00; H10N60/01; H10N60/0184; H10N60/80; H10N60/85; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/93; Y10S428/9335; Y10S428/938; Y10S505/00; Y10S505/80; Y10S505/801; Y10S505/805; Y10S505/806; Y10S505/812; Y10S505/815; Y10S505/818; Y10S505/819; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12639; Y10T428/12771; Y10T428/12806; Y10T428/12819
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |