US3112088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying vehicles
Assignee: Westland Group PLC
•
Filing: 1961-07-31
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Granted: 1963-11-26
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Speechley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:54
CPC Classifications
B; B64; B64C; B64C37/00; B60; B60F; B60F5/00; B60F5/02; B60P; B60P3/00; B60P3/42; B64C27/00; B64C27/04; B64C27/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A LAND VEHICLE CAPABLE OF FORWARD FLIGHT WITH VERTICAL TAKEOFF AND LANDING, COMPRISING A CHASSIS PROVIDED WITH A PLURALITY OF ROAD WHEELS AND CARRYING A FIRST POWER PLANT DRIVING SAID ROAD WHEELS BY WAY OF VEHICLE TRANSMISSION MEANS, A LIFT ROTOR ASSEMBLY COMPRISING A ROTOR HEAD CARRIED BY A PYLON SECURED TO SAID CHASSIS AND A PLURALITY OF ROTOR BLADES ATTACHED TO SAID ROTOR HEAD IN A PIVOTAL MANNER AT THE ROOT ENDS THEREOF, A TORQUE COMPENSATING ROTOR MOUNTED ON A BOOM SECURED TO THE REAR OF SAID CHASSIS, SAID BOOM BEING SECURED IN A MANNER HINGEABLE TO THE REAR OF SAID CHASSIS, SAID ROTOR BLADES AND SAID BOOM CARRYING SAID TORQUE COMPENSATING ROTOR ADAPTED TO BE MOVABLE FROM FLIGHT POSITIONS INTO STOWED POSITIONS WHEREIN SAID ROTORS LIE CLOSE TO AND WITHIN THE PLAN AREA DEFINED BY THE SIDES OF SAID CHASSIS OF SAID VEHICLE.
Claim 2
Dependent Claim
145 words
A LAND VEHICLE CAPABLE OF FORWARD FLIGHT WITH VERTICAL TAKEOFF AND LANDING, COMPRISING A CHASSIS PROVIDED WITH A PLURALITY OF ROAD WHEELS AND CARRYING A FIRST POWER PLANT DRIVING SAID ROAD WHEELS BY WAY OF VEHICLE TRANSMISSION MEANS, A LIFT ROTOR ASSEMBLY COMPRISING A ROTOR HEAD CARRIED BY A PYLON SECURED TO SAID CHASSIS AND A PLURALITY OF ROTOR BLADES ATTACHED TO SAID ROTOR HEAD IN A PIVOTAL MANNER AT THE ROOT ENDS THEREOF, A TORQUE COMPENSATING ROTOR MOUNTED ON A BOOM SECURED TO THE REAR OF SAID CHASSIS, SAID BOOM BEING SECURED IN A MANNER HINGEABLE TO THE REAR OF SAID CHASSIS, SAID ROTOR BLADES AND SAID BOOM CARRYING SAID TORQUE COMPENSATING ROTOR ADAPTED TO BE MOVABLE FROM FLIGHT POSITIONS INTO STOWED POSITIONS WHEREIN SAID ROTORS LIE CLOSE TO AND WITHIN THE PLAN AREA DEFINED BY THE SIDES OF SAID CHASSIS OF SAID VEHICLE.
References Cited (Backward Citations)
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Cited
US2424769A
Cited
US2487646A
Cited
US2514822A
Cited
US2818226A
Cited
US2940688A
Cited
US3029047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |