Patent US3351833A successfully refreshed from Google Patents.
US3351833A
Expired / Lapsed
US
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Compensated transistorized electric clock circuit
Assignee: Diehl Verwaltungs Stiftung
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Filing: 1966-05-31
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Granted: 1967-11-07
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Gerum Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:55
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065; G04C3/067; G04C3/068; G04C3/08; G04C3/10; G04C3/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2831114A
Cited
US2986683A
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US3040225A
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US3118098A
Cited
US2957116A
Cited
US3100278A
Cited
US3134220A
Cited
US3238431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |