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Patent US3407049A successfully refreshed from Google Patents.
US3407049A
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US
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Superconducting articles and method of manufacture
Assignee: Union Carbide Corp
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Filing: 1965-05-17
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Granted: 1968-10-22
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald C Freeman
- 👤 Milton C Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:45
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; H; H01; H01F; H01F6/00; H01F6/06; H10; H10N; H10N60/00; H10N60/01; H10N60/0156; H10N60/0184; Y; Y10; Y10S; Y10S420/00; Y10S420/901; Y10S505/00; Y10S505/80; Y10S505/801; Y10S505/807; Y10S505/812; Y10S505/813; Y10S505/815; Y10S505/816; Y10S505/823; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |