US2867751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal processing circuits
Assignee: RCA Corp
•
Filing: 1952-11-14
•
Granted: 1959-01-06
•
Expires: 1972-11-14
Abstract
No abstract record available.
Inventors
- 👤 Simeon I Tourshou
- 👤 Edwin B Smith
- 👤 Gordon E Skorup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:06
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2266445A
Cited
US2243599A
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US2263376A
Cited
US2254855A
Cited
US2273163A
Cited
US2299875A
Cited
US2654028A
Cited
US2564554A
Cited
US2636939A
Cited
US2740071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |