US2595141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio system for aircraft identification
Assignee: RCA Corp
•
Filing: 1946-10-10
•
Granted: 1952-04-29
•
Expires: 1966-10-10
Abstract
No abstract record available.
Inventors
- 👤 Philip J Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:39
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2134716A
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US2252083A
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US2406316A
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US2453970A
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US2427905A
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US2433381A
Cited
US2444452A
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US2448016A
Cited
US2459811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |