Patent US2653225A successfully refreshed from Google Patents.
US2653225A
Expired / Lapsed
US
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Signal actuated tuner control
Assignee: Motors Liquidation Co
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Filing: 1949-07-22
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Granted: 1953-09-22
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Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
- 👤 James H Guyton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:31
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB432427A
Cited
FR812986A
Cited
GB493565A
Cited
US2182678A
Cited
US2262218A
Cited
US2304871A
Cited
US2493741A
Cited
US2541018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |