US3149799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Individual propulsion
Assignee: Bell Aerospace Corp
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Filing: 1963-09-19
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Granted: 1964-09-22
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Expires: 1983-09-19
Abstract
No abstract record available.
Inventors
- 👤 John K Hulbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:14
CPC Classifications
B; B64; B64C; B64C39/00; B64C39/02; B64C39/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROPULSION ASSEMBLY COMPRISING A HARNESS ADAPTED TO BE ATTACHED TO A USER''S TORSO, FUEL SUPPLY MEANS CARRIED BY SAID HARNESS, GAS GENERATING AND EDUCTING MEANS PIVOTALLY ATTACHED TO SAID HARNESS FOR KINESTHETIC CONTROL THEREOF BY THE USER, SAID GAS GENERATING AND EDUCTING MEANS INCLUDING A PAIR OF SPACED, GENERALLY PARALLEL GAS DISCHARGE CONDUITS HAVING ROTOR MEANS ASSOCIATED THEREWITH, EACH ROTOR MEANS INCLUDING A ROTATABLY BLADED MEMBER DRIVEN BY GENERATED GAS FOR CONVERTING THE HIGH EXPANSION RATION THEREOF INTO A SLOWER DOWNWASH OF AMBIENT FLUID AT SUBSTANTIAL MASS FLOW, AND MEANS FOR DEFLECTING THE DOWNWASH FROM ONE ROTOR MEANS IN A FORWARD DIRECTION WHILE DIRECTING THE
Claim 2
Dependent Claim
106 words
A PROPULSION ASSEMBLY COMPRISING A HARNESS ADAPTED TO BE ATTACHED TO A USER''S TORSO, FUEL SUPPLY MEANS CARRIED BY SAID HARNESS, GAS GENERATING AND EDUCTING MEANS PIVOTALLY ATTACHED TO SAID HARNESS FOR KINESTHETIC CONTROL THEREOF BY THE USER, SAID GAS GENERATING AND EDUCTING MEANS INCLUDING A PAIR OF SPACED, GENERALLY PARALLEL GAS DISCHARGE CONDUITS HAVING ROTOR MEANS ASSOCIATED THEREWITH, EACH ROTOR MEANS INCLUDING A ROTATABLY BLADED MEMBER DRIVEN BY GENERATED GAS FOR CONVERTING THE HIGH EXPANSION RATION THEREOF INTO A SLOWER DOWNWASH OF AMBIENT FLUID AT SUBSTANTIAL MASS FLOW, AND MEANS FOR DEFLECTING THE DOWNWASH FROM ONE ROTOR MEANS IN A FORWARD DIRECTION WHILE DIRECTING THE
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |