Patent US2569289A successfully refreshed from Google Patents.
US2569289A
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Automatic gain control system
Assignee: RCA Corp
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Filing: 1945-08-31
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Granted: 1951-09-25
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Expires: 1965-08-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:10
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2179111A
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US2171636A
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US2246947A
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US2240600A
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US2240593A
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US2199169A
Cited
US2299292A
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US2302425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |