US2644082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control system
Assignee: RCA Corp
•
Filing: 1949-02-23
•
Granted: 1953-06-30
•
Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 Avins Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:33
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050679A
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US2096874A
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US2216451A
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US2237457A
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US2228084A
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US2264019A
Cited
US2472301A
Cited
US2497841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |