US2507432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squelch or muting of amplifiers
Assignee: United States, WAR, Secretary of
•
Filing: 1946-06-11
•
Granted: 1950-05-09
•
Expires: 1966-06-11
Abstract
No abstract record available.
Inventors
- 👤 Harland A Bass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:16
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22; H03G3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2179966A
Cited
US2237661A
Cited
US2210413A
Cited
US2405845A
Cited
US2372934A
Cited
US2400948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |