Patent US2435736A successfully refreshed from Google Patents.
US2435736A
Expired / Lapsed
US
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Frequency modulated picture receiver
Assignee: Zenith Electronics LLC
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Filing: 1941-02-13
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Granted: 1948-02-10
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Expires: 1961-02-13
Abstract
No abstract record available.
Inventors
- 👤 Carnahan Chalon Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:04
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/002; H04B14/006; H04N; H04N5/00; H04N5/44
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |