Patent US2922341A successfully refreshed from Google Patents.
US2922341A
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US
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Projectile propelling system
Assignee: Olin Corp
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Filing: 1955-11-07
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Granted: 1960-01-26
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Treat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:15
CPC Classifications
F; F42; F42B; F42B30/00; F41; F41A; F41A1/00; F41A1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1291674A
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US2129875A
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US2088503A
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US2307369A
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GB560813A
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US2408252A
Cited
GB631498A
Cited
FR1003687A
Cited
US2683963A
Cited
US2574147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |