US2697747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blanking insertion for radar and television
Assignee: RCA Corp
•
Filing: 1949-11-30
•
Granted: 1954-12-21
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Richard E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:27
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; H; H04; H04N; H04N5/00; H04N5/04; H04N5/06; H04N5/067; H04N5/0675
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2158261A
Cited
US2233317A
Cited
US2347248A
Cited
US2452213A
Cited
US2482561A
Cited
US2568541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |