US2925491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time base control circuit
Assignee: Individual
•
Filing: 1946-02-27
•
Granted: 1960-02-16
•
Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 Conrad H Hoeppner
- 👤 Jr Carl Harrison Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:23
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/042; H03; H03K; H03K3/00; H03K3/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2076335A
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US2099065A
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US2306386A
Cited
US2408086A
Cited
US2414265A
Cited
US2451859A
Cited
US2433863A
Cited
US2412642A
Cited
US2549769A
Cited
US2435598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |