Patent US2912651A successfully refreshed from Google Patents.
US2912651A
Expired / Lapsed
US
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Automatic frequency control
Assignee: General Electric Co
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Filing: 1954-03-29
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Granted: 1959-11-10
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Laurance M Leeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:15
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/10; H03L7/107; H03L7/1075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2763779A
Cited
US2560312A
Cited
US2563816A
Cited
US2588094A
Cited
US2730614A
Cited
US2676262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |