US2507145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peak limiting expanding amplifier
Assignee: RCA Corp
•
Filing: 1947-07-02
•
Granted: 1950-05-09
•
Expires: 1967-07-02
Abstract
No abstract record available.
Inventors
- 👤 William W H Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
H; H03; H03G; H03G7/00; H03G7/02; H03F; H03F1/00; H03F1/02; H03F1/04; H03F1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096756A
Cited
US2250596A
Cited
US2293528A
Cited
US2398596A
Cited
US2340364A
Cited
US2397830A
Cited
US2392384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |