US2696739A
Expired / Lapsed
US
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Temperature responsive semiconductor circuits
Assignee: RCA Corp
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Filing: 1951-07-05
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Granted: 1954-12-14
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Expires: 1971-07-05
Abstract
No abstract record available.
Inventors
- 👤 Richard O Endres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/302; G; G01; G01K; G01K7/00; G01K7/01; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/2033; G05D23/2034
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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |