US2686221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simplified compbination fm and television receiver
Assignee: RCA Corp
•
Filing: 1949-11-03
•
Granted: 1954-08-10
•
Expires: 1969-11-03
Abstract
No abstract record available.
Inventors
- 👤 Avins Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:36
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/005; H04B1/0053; H04B1/006; H04B1/06; H04B1/16; H04B1/26; H04N; H04N5/00; H04N5/44; H04N5/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2501122A
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US2591264A
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US2528222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |