US3148548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Velocity measuring device
Assignee: Northrop Grumman Corp
•
Filing: 1959-03-20
•
Granted: 1964-09-15
•
Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 William A Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:24
CPC Classifications
G; G01; G01P; G01P7/00; G01P15/00; G01P15/02; G01P15/08; G01P15/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1840001A
Cited
US2882034A
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US2853287A
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US2690531A
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US2933298A
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US2814768A
Cited
US2878435A
Cited
US2819053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |