US2979713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar indicating arrangements
Assignee: AC Cossor Ltd
•
Filing: 1954-08-09
•
Granted: 1961-04-11
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Fleming-Williams Bria Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2456666A
Cited
US2514828A
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US2508358A
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US2540121A
Cited
US2543753A
Cited
GB638274A
Cited
US2758298A
Cited
US2656532A
Cited
US2718000A
Cited
US2687520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |