Patent US3919944A successfully refreshed from Google Patents.
US3919944A
Expired / Lapsed
US
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Winged surface effect vehicle
Assignee: Vereinigte Flugtechnische Werke Fokker GmbH
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Filing: 1974-05-22
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Granted: 1975-11-18
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Expires: 1994-05-22
Abstract
Abstract The vehicle is connected to a carriage by means of a frame pivoted to the carriage and holding the vehicle at a particular altitude as it rides on an air-cushion developed dynamically under the wing of the vehicle, while the carriage runs and is retained on a monorail.
Inventors
- 👤 Gunter W Jorg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:35
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/04; B60V1/00; B60V1/22
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
76 words
Winged surface effect vehicle improved by means of a guide element for engagement with and connection to a rail track for holding the vehicle laterally in relation to the track while the vehicle is supported by and rides on an air cushion developed on forward thrust between the wings and ground without being supported on the rail, the vehicle being stabilized vertically in its air cushion ride by being held in relation to the guide element.
Claim 2
Dependent Claim
76 words
Winged surface effect vehicle improved by means of a guide element for engagement with and connection to a rail track for holding the vehicle laterally in relation to the track while the vehicle is supported by and rides on an air cushion developed on forward thrust between the wings and ground without being supported on the rail, the vehicle being stabilized vertically in its air cushion ride by being held in relation to the guide element.
Claim 3
Dependent Claim
52 words
Winged surface effect vehicle as in claim 1, and being pivotally connected to the guide element by a frame as extending from the front of the vehicle, whereby the wing of the vehicle changes its angle of attack upon pivoting by means of said frame thereby stabilizing its vertical disposition and attitude.
Claim 4
Dependent Claim
12 words
Winged surface effect vehicle as in claim 2, the frame being adjustible.
Claim 5
Dependent Claim
30 words
Winged surface effect vehicle as in claim 1, the guide element constructed as a carriage rolling on the rail track and held thereon against lateral as well as vertical displacement.
Claim 6
Dependent Claim
44 words
Winged surface effect vehicle as in claim 4, the front of the vehicle being pivotally held on the carriage capable of pivoting up and down while changing its angle of attack tending to return the vehicle into a stable attitude and distance from ground.
Claim 7
Dependent Claim
15 words
Winged surface effect vehicle as in claim 1, wherein the guide element provides forward movement.
References Cited (Backward Citations)
US1798852A
Cited
US3603261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |