Patent US3276529A successfully refreshed from Google Patents.
US3276529A
Expired / Lapsed
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Ground effect vehicles
Assignee: Westland Group PLC
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Filing: 1964-06-11
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Granted: 1966-10-04
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 Latimer-Needham Cecil Hugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:34
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/11; B60V1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A GROUND EFFECT MACHINE COMPRISING A PLATFORM-LIKE BASE STRUCTURE, TWO SPACED SIDE WALL MEMBERS DEPENDING DOWNWARDLY FROM SAID BASE STRUCTURE ON OPPOSITE SIDES OF AND EXTENDING IN THE DIRECTION OF THE LONGITUDINAL CENTER LINE OF SAID BASE STRUCTURE, AT LEAST ONE ROLLER, MEANS ROTATABLY MOUNTING SAID ROLLER TO EXTEND BETWEEN SAID SIDE WALL MEMBERS ON ONE SIDE OF THE TRANSVERSE CENTER LINE OF SAID BASE STRUCTURE WHEREBY SAID ROLLER AND SAID SIDE WALL MEMBERS DEFINE AT LEAST THREE BOUNDARY SIDES OF A PRESSURIZED GAS SUPPORTING CUSHION UNDER SAID BASE STRUCTURE, AND MEANS FOR SUPPLYING PRESSURIZED GAS TO THE AREA UNDER SAID BASE STRUCTURE DEFINED BY SAID ROLLER AND SAID SIDE WALL MEMBERS, SAID PRESSURIZED GAS SUPPLYING MEANS COMPRISING A DOWNWARDLY DIRECTED NOZZLE OPENING EXTENDING TRANSVERSELY BETWEEN SAID BETWEEN WALL MEMBERS AND ADJACENT TO SAID ROLLER BUT BETWEEN SAID ROLLER AND THE TRANSVERSE CENTER LINE OF SAID BASE STRUCTURE, AND BLOWER MEANS FOR SUPPLYING PRESSURIZED GAS TO SAID NOZZLE OPENING SO AS TO FORM A FLUID CURTAIN TO MINIMIZE AIR LOSS BETWEEN THE UPPER SURFACE OF SAID ROLLER AND THE BOTTOM SURFACE OF SAID BASE STRUCTURE.
Claim 2
Dependent Claim
185 words
A GROUND EFFECT MACHINE COMPRISING A PLATFORM-LIKE BASE STRUCTURE, TWO SPACED SIDE WALL MEMBERS DEPENDING DOWNWARDLY FROM SAID BASE STRUCTURE ON OPPOSITE SIDES OF AND EXTENDING IN THE DIRECTION OF THE LONGITUDINAL CENTER LINE OF SAID BASE STRUCTURE, AT LEAST ONE ROLLER, MEANS ROTATABLY MOUNTING SAID ROLLER TO EXTEND BETWEEN SAID SIDE WALL MEMBERS ON ONE SIDE OF THE TRANSVERSE CENTER LINE OF SAID BASE STRUCTURE WHEREBY SAID ROLLER AND SAID SIDE WALL MEMBERS DEFINE AT LEAST THREE BOUNDARY SIDES OF A PRESSURIZED GAS SUPPORTING CUSHION UNDER SAID BASE STRUCTURE, AND MEANS FOR SUPPLYING PRESSURIZED GAS TO THE AREA UNDER SAID BASE STRUCTURE DEFINED BY SAID ROLLER AND SAID SIDE WALL MEMBERS, SAID PRESSURIZED GAS SUPPLYING MEANS COMPRISING A DOWNWARDLY DIRECTED NOZZLE OPENING EXTENDING TRANSVERSELY BETWEEN SAID BETWEEN WALL MEMBERS AND ADJACENT TO SAID ROLLER BUT BETWEEN SAID ROLLER AND THE TRANSVERSE CENTER LINE OF SAID BASE STRUCTURE, AND BLOWER MEANS FOR SUPPLYING PRESSURIZED GAS TO SAID NOZZLE OPENING SO AS TO FORM A FLUID CURTAIN TO MINIMIZE AIR LOSS BETWEEN THE UPPER SURFACE OF SAID ROLLER AND THE BOTTOM SURFACE OF SAID BASE STRUCTURE.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |