US2678439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving target indication radar system
Assignee: United States, WAR, Secretary of
•
Filing: 1945-12-10
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Granted: 1954-05-11
•
Expires: 1965-12-10
Abstract
No abstract record available.
Inventors
- 👤 Robert A Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2406316A
Cited
US2517549A
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US2410424A
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US2422135A
Cited
US2512144A
Cited
US2543448A
Cited
US2646562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |