Patent US2914913A successfully refreshed from Google Patents.
US2914913A
Expired / Lapsed
US
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Apparatus and method for jet propulsion through water by use of water reactive propellant
Assignee: Aerojet Rocketdyne Inc
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Filing: 1944-08-23
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Granted: 1959-12-01
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Expires: 1964-08-23
Abstract
No abstract record available.
Inventors
- 👤 Zwicky Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:45
CPC Classifications
F; F02; F02K; F02K7/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A JET PROPULSION UNIT COMPRISING AN INTERNALLY STREAMLINED ELONGATED CHANNEL HAVING AN ENTRY OPENING AND A JET EXHAUST, PROPELLANT INJECTOR HOUSING LOCATED WITHIN THE CHANNEL, A BLADE VALVE ASSEMBLY POSITIONED ON THE HOUSING, A REACTION CHAMBER LOCATED IN THE CHANNEL BEHIND AND ADJOINING SAID VALVE ASSEMBLY, SAID HOUSING HAVING A PROPELLANT CONDUIT AND A PLURALITY OF INJECTORS COMMUNICATING WITH THE CONDUIT AND DISCHARGING INTO SAID REACTION CHAMBER, A PROPELLANT SOURCE, MEANS FOR APPLYING PRESSURE ON THE PROPELLANT FROM THE SOURCE, AND MEANS FOR INTERMITTENTLY RELEASING THE PRESSURIZED PROPELLANT TO SAID INJECTORS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |