US3096047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally controlled buoyant vehicle
Assignee: Individual
•
Filing: 1962-01-05
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Granted: 1963-07-02
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Expires: 1982-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward D Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:05
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; B64B1/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN AIRSHIP COMPRISING A FRAME, EXPANSIBLE GAS CONTAINERS FOR BUOYANT GAS SECURED IN SAID FRAME FOR IMPARTING BUOYANCY TO THE LATTER, MEANS FOR CONTROLLABLY VARYING THE VOLUME OF SAID CONTAINERS AND THEREBY THEIR BUOYANT FORECT UPON SAID FRAME, SAID LAST MENTIONED MEANS COMPRISING MEANS FOR CIRCULATING THE BUOYANT GAS INTO AND OUT OF SAID CONTAINERS IN A CLOSED SYSTEM WHILE CONTROLLABLY VARYING THE TEMPERATURE OF SAID BUOYANT GAS DURING SAID CIRCULATION, PROPELLING MEANS FOR EFFECTING CIRCULATION OF SAID BUOYANT GAS WITH A FORCED FLOW THROUGH SAID CONTAINERS, A POWER PLANT CARRIED BY SAID FRAME, HELICOPTER BLADES ROTATABLY MOUNTED UPON SAID FRAME AND DRIVINGLY CONNECTED TO SAID POWER PLANT, SAID HELICOPTER BLADES AND SAID GAS CONTAINERS CONTROLLABLY VARYING BETWEEN POSITIVE AND NEGATIVE LIMITS THE EFFECTIVE WEIGHT OF SAID AIRCRAFT.
Claim 2
Dependent Claim
128 words
AN AIRSHIP COMPRISING A FRAME, EXPANSIBLE GAS CONTAINERS FOR BUOYANT GAS SECURED IN SAID FRAME FOR IMPARTING BUOYANCY TO THE LATTER, MEANS FOR CONTROLLABLY VARYING THE VOLUME OF SAID CONTAINERS AND THEREBY THEIR BUOYANT FORECT UPON SAID FRAME, SAID LAST MENTIONED MEANS COMPRISING MEANS FOR CIRCULATING THE BUOYANT GAS INTO AND OUT OF SAID CONTAINERS IN A CLOSED SYSTEM WHILE CONTROLLABLY VARYING THE TEMPERATURE OF SAID BUOYANT GAS DURING SAID CIRCULATION, PROPELLING MEANS FOR EFFECTING CIRCULATION OF SAID BUOYANT GAS WITH A FORCED FLOW THROUGH SAID CONTAINERS, A POWER PLANT CARRIED BY SAID FRAME, HELICOPTER BLADES ROTATABLY MOUNTED UPON SAID FRAME AND DRIVINGLY CONNECTED TO SAID POWER PLANT, SAID HELICOPTER BLADES AND SAID GAS CONTAINERS CONTROLLABLY VARYING BETWEEN POSITIVE AND NEGATIVE LIMITS THE EFFECTIVE WEIGHT OF SAID AIRCRAFT.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |