Patent US3141119A successfully refreshed from Google Patents.
US3141119A
Expired / Lapsed
US
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Hyperconductive transistor switches
Assignee: Westinghouse Electric Corp
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Filing: 1957-03-28
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Granted: 1964-07-14
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Expires: 1977-03-28
Abstract
No abstract record available.
Inventors
- 👤 Philips John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:31
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/73; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2623105A
Cited
US2829422A
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US2655610A
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US2655608A
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US2813817A
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US2709787A
Cited
US2890353A
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US2877358A
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US2905836A
Cited
US2855524A
Cited
US2953693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |