US2831399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dud jettisoning device for rocket launcher
Assignee: Individual
•
Filing: 1954-03-01
•
Granted: 1958-04-22
•
Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Meekins
- 👤 Marice H Baller
- 👤 Charles A Johnstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:39
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US457293A
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US1304583A
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US2410116A
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US2112853A
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US2426610A
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FR970202A
Cited
US2464920A
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US2485715A
Cited
GB692140A
Cited
US2745317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |