Patent US2531845A successfully refreshed from Google Patents.
US2531845A
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US
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Wireless receiver comprising automatic gain control
Assignee: Hartford National Bank and Trust Co
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Filing: 1947-02-07
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Granted: 1950-11-28
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Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Gall Bernardus Octavianu Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:00
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/08; H03G; H03G1/00; H03G1/04; H03G3/00; H03G3/20; H03G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041291A
Cited
US2043092A
Cited
US2057857A
Cited
US2129727A
Cited
US2179298A
Cited
US2263825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |