US2426193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio transmitter automatic volume control
Assignee: RCA Corp
•
Filing: 1943-06-17
•
Granted: 1947-08-26
•
Expires: 1963-06-17
Abstract
No abstract record available.
Inventors
- 👤 George L Fernsler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:21
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/02; H03C3/00; H03C3/02; H03C3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114036A
Cited
US2200962A
Cited
US2293945A
Cited
US2288817A
Cited
GB537518A
Cited
US2294171A
Cited
US2312919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |