US2842761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving target indicator radar system
Assignee: Unisys Corp
•
Filing: 1953-01-12
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Granted: 1958-07-08
•
Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 John W Downs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:36
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/522; G01S13/524; G01S13/526; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/292; G01S7/2923; G01S7/2926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2487995A
Cited
US2479568A
Cited
US2532546A
Cited
US2659079A
Cited
US2600255A
Cited
US2597636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |