US2964949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction velocity meter
Assignee: North American Aviation Corp
•
Filing: 1956-10-12
•
Granted: 1960-12-20
•
Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Doyle E Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:29
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/13; G01P7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22919E
Cited
US1228061A
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GB124318A
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GB271175A
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US1840001A
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GB404303A
Cited
US2421285A
Cited
US2429612A
Cited
US2417689A
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US2622865A
Cited
US2672334A
Cited
US2523419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |