Patent US2931039A successfully refreshed from Google Patents.
US2931039A
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Cartridge firing apparatus
Assignee: Olin Corp
•
Filing: 1955-08-29
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Granted: 1960-04-05
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Robert W Henning
- 👤 Marsh Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:33
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/12; B25C1/123; B25C1/16; B25C1/163; F; F16; F16B; F16B19/00; F16B19/14; F41; F41A; F41A15/00; F41A15/04; F42; F42B; F42B5/00; F42B5/26; F42B5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US17644A
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US43851A
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US1397418A
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US2263941A
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US2378735A
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US2397572A
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US2699006A
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DE922994C
Cited
FR1073899A
Cited
SE149829C1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |