US2530979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency control system
Assignee: Westinghouse Electric Corp
•
Filing: 1945-09-27
•
Granted: 1950-11-21
•
Expires: 1965-09-27
Abstract
No abstract record available.
Inventors
- 👤 Carl G Matland
- 👤 Katz Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:05
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/03; G01S7/034; H; H01; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/122; H03; H03D; H03D9/00; H03D9/06; H03D9/0608; H03D9/0616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2415242A
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US2418156A
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US2407847A
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US2427107A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |