Patent US3023409A successfully refreshed from Google Patents.
US3023409A
Expired / Lapsed
US
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Pulse doppler radar system
Assignee: Westinghouse Electric Corp
•
Filing: 1956-03-09
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Granted: 1962-02-27
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Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Harry B Smith
- 👤 Jr David H Mooney
- 👤 Ewanus Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:50
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/5242; G01S13/526; G01S13/528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2450945A
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US2423024A
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US2452598A
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US2568441A
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US2450946A
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US2676317A
Cited
US2717358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |