US2454415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autoamtic gain control circuit
Assignee: RCA Corp
•
Filing: 1945-02-24
•
Granted: 1948-11-23
•
Expires: 1965-02-24
Abstract
No abstract record available.
Inventors
- 👤 Simeon I Tourshou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:45
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB480572A
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US2223995A
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Cited
US2329570A
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US2371988A
Cited
GB552072A
Cited
US2414992A
Cited
US2429513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |