US2645321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tuning control for radio apparatus and the like
Assignee: Collins Radio Co
•
Filing: 1948-07-15
•
Granted: 1953-07-14
•
Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Richard W May
- 👤 Ross S Pyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:39
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1508796A
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US1777796A
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US2034708A
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US2494922A
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US2442739A
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US2471843A
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US2470567A
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US2467422A
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US2436172A
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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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |