US3011052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor squelch circuit
Assignee: General Dynamics Corp
•
Filing: 1958-09-15
•
Granted: 1961-11-28
•
Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Busby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:10
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/34; H03G3/341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2479305A
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US2629026A
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US2912490A
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US2802939A
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US2788449A
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US2861258A
Cited
US2915603A
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US2830177A
Cited
US2926241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |