US3076897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectrically controlled transistor circuit
Assignee: Individual
•
Filing: 1961-10-25
•
Granted: 1963-02-05
•
Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Clifford D Skirvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
G; G08; G08B; G08B3/00; G08B3/10; H; H01; H01H; H01H47/00; H01H47/22; H01H47/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016036A
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US2947875A
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US2928949A
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US2853633A
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US2995687A
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US3029345A
Cited
US3037144A
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US3005114A
Cited
US2997606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |