US2915972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammunition
Assignee: Olin Corp
•
Filing: 1955-12-02
•
Granted: 1959-12-08
•
Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Aaron L Hitchens
- 👤 Czapek Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/04; F42B5/00; F42B5/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189410760A
Cited
US1330144A
Cited
GB394037A
Cited
US2426289A
Cited
FR914780A
Cited
GB732633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |