US2510139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio control system
Assignee: RCA Corp
•
Filing: 1945-06-29
•
Granted: 1950-06-06
•
Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ellison S Purington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:26
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/10; H01R13/11; H01R13/111; H04; H04B; H04B14/00; H04B14/02; H04J; H04J3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1573303A
Cited
GB356111A
Cited
US1979484A
Cited
US2211942A
Cited
US2266401A
Cited
US2269041A
Cited
US2405237A
Cited
US2379748A
Cited
US2418127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |