US3146975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary powder motor and its applications to aeronautics and to parachutes
Assignee: Individual
•
Filing: 1961-12-26
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Granted: 1964-09-01
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Delamaire Francois Marie Emile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/005; B; B64; B64D; B64D17/00; B64D17/22; B64D17/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
A CABLE WINDING SYSTEM COMPRISING A COMBUSTION CHAMBER FOR HOLDING A CHARGE OF COMBUSTIBLE POWDER FOR COMBUSTION THEREIN, A PLURALITY OF SUBSTANTIALLY TANGENTIALLY DIRECTED DISCHARGE NOZZLES COMMUNICATING WITH SAID COMBUSTION CHAMBER FOR DISCHARGING THE COMBUSTION GASES GENERATED BY COMBUSTION OF THE POWDER, MEANS SUPPORTING SAID NOZZLES FOR ROTATION SO THAT SAID NOZZLES ROTATE WHEN COMBUSTION GASES FLOW THERETHROUGH, A SPEED REDUCING TRANSMISSION CONNECTED TO SAID NOZZLES FOR BEING DRIVEN THEREBY WHEN SAID NOZZLES ROTATE, A WINCH CONNECTED TO SAID TRANSMISSION FOR BEING DRIVEN THEREBY, A CABLE CONNECTED TO SAID WINCH FOR WINDING THEREON, THE CABLE BEING CONNECTED TO A PARACHUTE AND THE REMAINDER OF THE SYSTEM BEING ATTACHED TO AN AIRCRAFT.
References Cited (Backward Citations)
US927200A
Cited
US2477907A
Cited
FR1053318A
Cited
FR1093417A
Cited
US2756950A
Cited
US3036795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |