US2678384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squelch control circuit
Assignee: RCA Corp
•
Filing: 1951-03-30
•
Granted: 1954-05-11
•
Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy A Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:53
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/02; H04W88/022; H04W88/025; H04W88/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2065826A
Cited
US2154888A
Cited
US2239915A
Cited
US2250596A
Cited
US2281312A
Cited
US2392672A
Cited
US2479305A
Cited
US2546987A
Cited
US2596138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |