Patent US3288397A successfully refreshed from Google Patents.
US3288397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft
Assignee: Aereon Corp
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Filing: 1964-11-10
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Granted: 1966-11-29
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 John R Fitzpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:34
CPC Classifications
B; B64; B64B; B64B1/00; B64C; B64C27/00; B64C27/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
LIGHTER-THAN-AIR CRAFT COMPRISING AN ELONGATED HULL WITH A LONGITUDINAL AXIS, PROPULSION MEANS LOCATED AT THE REAR OF SAID HULL AND IN SUBSTANTIAL ALIGNMENT WITH SAID LONGITUDINAL AXIS, MEANS FOR VARYING THE DIRECTION OF THE THRUST ON SAID HULL BY SAID PROPULSION MEANS, SAID PROPULSION MEANS EMBODYING A DRIVE SHAFT HELD IN SUBSTANTIAL ALIGNMENT WITH THE LONGITUDINAL AXIS OF THE HULL, A ROTOR HAVING A PLURALITY OF BLADES, A DRIVING CONNECTION BETWEEN THE DRIVE SHAFT AND ROTOR INCLUDING PIVOT MEANS SAID ROTOR BLADES BEING MOVABLE ABOUT SAID PIVOT MEANS TO VARY THE PLANE OF ROTATION OF SAID BLADES WITH RESPECT TO SAID DRIVE SHAFT AND THE LONGITUDINAL AXIS OF SAID HULL SAID BLADES FURTHER BEING MOVABLE ABOUT SAID PIVOT MEANS AND WITH RESPECT TO EACH OTHER TO VARY THE CONING ANGLE OF THE BLADES DURING ROTATION.
Claim 2
Dependent Claim
135 words
LIGHTER-THAN-AIR CRAFT COMPRISING AN ELONGATED HULL WITH A LONGITUDINAL AXIS, PROPULSION MEANS LOCATED AT THE REAR OF SAID HULL AND IN SUBSTANTIAL ALIGNMENT WITH SAID LONGITUDINAL AXIS, MEANS FOR VARYING THE DIRECTION OF THE THRUST ON SAID HULL BY SAID PROPULSION MEANS, SAID PROPULSION MEANS EMBODYING A DRIVE SHAFT HELD IN SUBSTANTIAL ALIGNMENT WITH THE LONGITUDINAL AXIS OF THE HULL, A ROTOR HAVING A PLURALITY OF BLADES, A DRIVING CONNECTION BETWEEN THE DRIVE SHAFT AND ROTOR INCLUDING PIVOT MEANS SAID ROTOR BLADES BEING MOVABLE ABOUT SAID PIVOT MEANS TO VARY THE PLANE OF ROTATION OF SAID BLADES WITH RESPECT TO SAID DRIVE SHAFT AND THE LONGITUDINAL AXIS OF SAID HULL SAID BLADES FURTHER BEING MOVABLE ABOUT SAID PIVOT MEANS AND WITH RESPECT TO EACH OTHER TO VARY THE CONING ANGLE OF THE BLADES DURING ROTATION.
References Cited (Backward Citations)
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Cited
US1977392A
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US2420764A
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US2433641A
Cited
US2478847A
Cited
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Cited
US2731215A
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |