US2507735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tuning control apparatus
Assignee: RCA Corp
•
Filing: 1944-11-02
•
Granted: 1950-05-16
•
Expires: 1964-11-02
Abstract
No abstract record available.
Inventors
- 👤 Harold O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:56
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/10; H04L27/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1804526A
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US1907965A
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US2157834A
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US2211750A
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US2267453A
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US2241937A
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US2251064A
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US2283523A
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US2266052A
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US2368052A
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US2342797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |