US2514297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for observing the conduct of a projectile in a gun
Assignee: United States Department of the Navy
•
Filing: 1943-03-03
•
Granted: 1950-07-04
•
Expires: 1963-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Nicholas M Smith
- 👤 Crocker J Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:54
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/02; G; G01; G01L; G01L1/00; G01L1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR719762A
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US1917813A
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US2068744A
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US2064489A
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GB404622A
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GB473636A
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US2096826A
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US2256406A
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US2250496A
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US2275256A
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US2315756A
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US2371626A
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US2405597A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |