US2922157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar signal simulator
Assignee: Pitometer Log Corp
•
Filing: 1954-03-30
•
Granted: 1960-01-19
•
Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Mcshan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:30
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2001891A
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US2247941A
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US2284401A
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US2425600A
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US2505525A
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US2416297A
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US2597297A
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US2603742A
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US2573734A
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US2681986A
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US2841785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |