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US2522945A
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US
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Apparatus for jet propulsion through water by combustion of carbureted fuel
Assignee: Aerojet Rocketdyne Inc
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Filing: 1947-03-28
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Granted: 1950-09-19
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Expires: 1967-03-28
Abstract
No abstract record available.
Inventors
- 👤 Calvin A Gongwer
- 👤 Warren J Merboth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:25
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/12; B63H11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |