Patent US3111108A successfully refreshed from Google Patents.
US3111108A
Expired / Lapsed
US
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Propulsion unit
Assignee: Bell Aerospace Corp
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Filing: 1962-05-03
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Granted: 1963-11-19
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Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 John C Trotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:56
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/04; B63H11/08; B63H2011/081; B63H23/00; B63H23/32; B63H23/34; B63H2023/342
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN AQUATIC VEHICLE HAVING A HULL, A PROPULSION ASSEMBLY INCLUDING A FRAME PIVOTALLY MOUNTED ON SAID HULL ABOUT A GENERALLY HORIZONTAL AXIS FOR POSITIONALLY FIXED ADJUSTMENTS THEREABOUT, A PLURALITY OF INDIVIDUAL PROPULSION UNITS CARRIED BY SAID FRAME IN RADIALLY OFFSET RELATION TO THE PIVOT AXIS FOR SAID FRAME AND DISPOSED IN CIRCUMFERENTIALLY SPACED RELATION TO EACH OTHER ABOUT SUCH PIVOT AXIS FOR THE FRAME, SAID PIVOT AXIS BEING LOCATED ON SAID HULL ABOVE THE WATERLINE THEREOF A DISTANCE LESS THAN THE RADIAL OFFSET OF SAID PROPULSION UNITS SO THAT AT LEAST ONE OF SAID PROPULSION UNITS IS DISPOSED ABOVE WATER WHILE AT LEAST ONE OTHER IS DISPOSED IN OPERATIVE, IN-WATER POSITION, POWER PLANT MEANS MOUNTED IN SAID HULL, AND MEANS FOR SELECTIVELY CONNECTING THAT PROPULSION UNIT WHICH IS IN OPERATIVE POSITION TO SAID POWER PLANT MEANS.
Claim 2
Dependent Claim
137 words
IN AN AQUATIC VEHICLE HAVING A HULL, A PROPULSION ASSEMBLY INCLUDING A FRAME PIVOTALLY MOUNTED ON SAID HULL ABOUT A GENERALLY HORIZONTAL AXIS FOR POSITIONALLY FIXED ADJUSTMENTS THEREABOUT, A PLURALITY OF INDIVIDUAL PROPULSION UNITS CARRIED BY SAID FRAME IN RADIALLY OFFSET RELATION TO THE PIVOT AXIS FOR SAID FRAME AND DISPOSED IN CIRCUMFERENTIALLY SPACED RELATION TO EACH OTHER ABOUT SUCH PIVOT AXIS FOR THE FRAME, SAID PIVOT AXIS BEING LOCATED ON SAID HULL ABOVE THE WATERLINE THEREOF A DISTANCE LESS THAN THE RADIAL OFFSET OF SAID PROPULSION UNITS SO THAT AT LEAST ONE OF SAID PROPULSION UNITS IS DISPOSED ABOVE WATER WHILE AT LEAST ONE OTHER IS DISPOSED IN OPERATIVE, IN-WATER POSITION, POWER PLANT MEANS MOUNTED IN SAID HULL, AND MEANS FOR SELECTIVELY CONNECTING THAT PROPULSION UNIT WHICH IS IN OPERATIVE POSITION TO SAID POWER PLANT MEANS.
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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |