US2635208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television circuit
Assignee: Individual
•
Filing: 1948-04-21
•
Granted: 1953-04-14
•
Expires: 1968-04-21
Abstract
No abstract record available.
Inventors
- 👤 John M Cage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:44
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1981537A
Cited
US2098384A
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US2202171A
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FR856126A
Cited
US2248815A
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US2261776A
Cited
US2369631A
Cited
US2281572A
Cited
US2355191A
Cited
US2283727A
Cited
US2283729A
Cited
US2465406A
Cited
US2476167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |