US2825756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control of keyed automatic gain control amplifier
Assignee: General Electric Co
•
Filing: 1951-11-15
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Granted: 1958-03-04
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Expires: 1971-11-15
Abstract
No abstract record available.
Inventors
- 👤 Wolf J Gruen
- 👤 Raymond F Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:11
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/52; H04N5/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB525629A
Cited
FR851411A
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FR858486A
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US2293528A
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US2356141A
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US2606247A
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US2593011A
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US2609443A
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US2632802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |