US2627022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined video gain and frequency response control
Assignee: RCA Corp
•
Filing: 1948-06-22
•
Granted: 1953-01-27
•
Expires: 1968-06-22
Abstract
No abstract record available.
Inventors
- 👤 Earl I Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:04
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/52; H04N5/53; H04N5/57
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2241553A
Cited
US2093548A
Cited
US2094092A
Cited
US2121427A
Cited
GB515426A
Cited
US2240600A
Cited
US2259998A
Cited
US2358325A
Cited
US2331708A
Cited
US2355701A
Cited
US2402096A
Cited
US2369066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |