US3203645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airborne vehicles
Assignee: National Research Development Corp UK
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Filing: 1960-09-21
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Granted: 1965-08-31
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Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 Shaw Ronald Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:04
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V1/00; B60V1/11; B60V1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
AN AIRBORNE VEHICLE CAPABLE OF OPERATING BOTH CLOSE TO THE GROUND WITHIN THE GROUND EFFECT CUSHION AND IN FREE LIGHT OUTSIDE SAID CUSHION COMPRISING AT LEAST ONE FAN MOUNTED THEREON WITH ITS AXIS SUBSTANTIALLY VERTICAL AND HAVING AN UNDERSURFACE FORMED WITH AN APERTURE AND WITH NOZZLE MEANS SEPARATE FROM AND OUTBORAD OF SAID APERTURE, AND EXTENDING AROUND THE PERIPHERY OF THE VEHICLE, SAID APERTURE BEING ALIGNED WITH SAID FAN AND HAHVING AN AREA SUBSTANTIALLY EQUAL TO THAT OF THE FAN OUTLET, SAID FAN BEING ARRANGED TO DRAW IN AIR AND TO DISCHARGE SUFFICIENT AIR THROUGH SAID APERTURE AS A DOWNWARDLY DIRECTED STREAM TO AFFORD UPTHRUST ON THE VEHICLE WHEN THE VEHICLE IS IN FREE FLIGHT, AND MEANS FOR DIVERTING SAID STREAM FROM SAID APERTURE TO SAID NOZZLE MEANS WHEN THE VEHICLE IS OPERATING WITHIN THE GROUND EFFECT CUSHION, SAID NOZZLE MEANS BEING SO SHAPED AND ARRANGED THAT THE AIR IS DISCHARGED THERETHROUGH IN A DOWNWARDS DIRECTION AS A CURTAIN EXTENDING CONTINUOUSLY AROUND THE PERIPHERY OF THE VEHICLE.
Claim 2
Dependent Claim
167 words
AN AIRBORNE VEHICLE CAPABLE OF OPERATING BOTH CLOSE TO THE GROUND WITHIN THE GROUND EFFECT CUSHION AND IN FREE LIGHT OUTSIDE SAID CUSHION COMPRISING AT LEAST ONE FAN MOUNTED THEREON WITH ITS AXIS SUBSTANTIALLY VERTICAL AND HAVING AN UNDERSURFACE FORMED WITH AN APERTURE AND WITH NOZZLE MEANS SEPARATE FROM AND OUTBORAD OF SAID APERTURE, AND EXTENDING AROUND THE PERIPHERY OF THE VEHICLE, SAID APERTURE BEING ALIGNED WITH SAID FAN AND HAHVING AN AREA SUBSTANTIALLY EQUAL TO THAT OF THE FAN OUTLET, SAID FAN BEING ARRANGED TO DRAW IN AIR AND TO DISCHARGE SUFFICIENT AIR THROUGH SAID APERTURE AS A DOWNWARDLY DIRECTED STREAM TO AFFORD UPTHRUST ON THE VEHICLE WHEN THE VEHICLE IS IN FREE FLIGHT, AND MEANS FOR DIVERTING SAID STREAM FROM SAID APERTURE TO SAID NOZZLE MEANS WHEN THE VEHICLE IS OPERATING WITHIN THE GROUND EFFECT CUSHION, SAID NOZZLE MEANS BEING SO SHAPED AND ARRANGED THAT THE AIR IS DISCHARGED THERETHROUGH IN A DOWNWARDS DIRECTION AS A CURTAIN EXTENDING CONTINUOUSLY AROUND THE PERIPHERY OF THE VEHICLE.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |