Patent US2510020A successfully refreshed from Google Patents.
US2510020A
Expired / Lapsed
US
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Reflector for radar navigation
Assignee: RCA Corp
•
Filing: 1947-10-28
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Granted: 1950-05-30
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Expires: 1967-10-28
Abstract
No abstract record available.
Inventors
- 👤 Iams Harley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; G; G01; G01S; G01S13/00; G01S13/74; G01S13/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1625946A
Cited
US1830176A
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FR770482A
Cited
US2085406A
Cited
DE668231C
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US2130389A
Cited
US2370053A
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US2407318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |