US2500505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control system
Assignee: Bendix Aviation Corp
•
Filing: 1945-02-08
•
Granted: 1950-03-14
•
Expires: 1965-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas G Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2222759A
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US2117664A
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US2153780A
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US2172476A
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US2171645A
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US2207094A
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US2156078A
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US2144605A
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US2208110A
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US2145372A
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US2276483A
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US2330902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |