US2565876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal-seeking receiver for frequency-modulated signals
Assignee: GTE Sylvania Inc
•
Filing: 1945-08-08
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Granted: 1951-08-28
•
Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Madison G Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/30
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) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |