US2872846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High velocity gun
Assignee: Individual
•
Filing: 1954-07-07
•
Granted: 1959-02-10
•
Expires: 1974-07-07
Abstract
No abstract record available.
Inventors
- 👤 William D Crozier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:56
CPC Classifications
F; F41; F41B; F41B11/00; F41A; F41A1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US179054A
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US421307A
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US1320233A
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US1166837A
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US1167178A
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US1183644A
Cited
US1375653A
Cited
US1944885A
Cited
US1957285A
Cited
US2129875A
Cited
FR862935A
Cited
US2574147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |