US3376517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic frequency control using voltage transitions of an input reference signal
Assignee: The General Electric Company PLC
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Filing: 1966-12-19
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Granted: 1968-04-02
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Reynolds John Spackman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:52
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/16; H03L7/18; H03L7/183; H03L7/191; H03K; H03K5/00; H03K5/01; H04; H04L; H04L7/00; H04L7/02; H04L7/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3156874A
Cited
US3290611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |