US2965000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid propellant, regenerative feed and recoilless gun
Assignee: Individual
•
Filing: 1951-11-07
•
Granted: 1960-12-20
•
Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:33
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/03; F41; F41A; F41A1/00; F41A1/04; F41A1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2474183A
Cited
US1214984A
Cited
US1343456A
Cited
US1620994A
Cited
DE585851C
Cited
GB405645A
Cited
US2129875A
Cited
US2088503A
Cited
GB594577A
Cited
US2445326A
Cited
GB631498A
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 |