US3527876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connection between superconductors
Assignee: BBC Brown Boveri AG Germany
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Filing: 1968-09-23
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Granted: 1970-09-08
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Expires: 1988-09-23
Abstract
No abstract record available.
Inventors
- 👤 Erki Karvonen
- 👤 Jean-Marie Rayroux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:09
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/06; H01F6/065; H01R; H01R4/00; H01R4/02; H01R4/58; H01R4/68; H10; H10N; H10N60/00; H10N60/80; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/917; Y10S505/927; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49014
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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |