US3261420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground effect machine
Assignee: Bell Aerospace Corp
•
Filing: 1964-11-09
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Granted: 1966-07-19
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Philip S Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:05
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/06; B60V1/04; B60V1/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A VEHICLE ADAPTED TO SUPPORT ITSELF ABOVE A SURFACE BY FLUID PRESSURE, COMPRISING A BODY OF OPEN BOTTOM FORM, SAID BODY HAVING A PERIMETRAL SKIRT PORTION TERMINATING IN A LOWER MARGINAL EDGE, MEANS FOR PUMPING FLUID INTO THE REGION CIRCUMSCRIBED BY SAID MARGINAL EDGE TO FORM A PRESSURE-FLUID SUPPORT CUSHION FOR SAID VEHICLE BETWEEN THE LATTER AND SAID SURFACE AND WHEREBY FLUID SQUEEZES OUT FROM UNDER SAID VEHICLE MARGINAL EDGE AT HIGH VELOCITY, AND FLUID FLOW REACTION MEANS DISPOSED IN THE PATH OF FLUID SQUEEZING OUT FROM UNDER SAID VEHICLE, SAID REACTION MEANS COMPRISING AIRFOIL-SECTIONED MEMBERS HELD BY SUPPORT MEANS BELOW AND ALONGSIDE OPPOSITE SIDES OF SAID VEHICLE AND OPERABLE IN RESPONSE TO FLOW OF FLUID THEREAROUND TO PROVIDE A VEHICLE LIFT EFFECT TRANSMITTED TO SAID VEHICLE THROUGH SAID SUPPORT MEANS.
Claim 2
Dependent Claim
131 words
A VEHICLE ADAPTED TO SUPPORT ITSELF ABOVE A SURFACE BY FLUID PRESSURE, COMPRISING A BODY OF OPEN BOTTOM FORM, SAID BODY HAVING A PERIMETRAL SKIRT PORTION TERMINATING IN A LOWER MARGINAL EDGE, MEANS FOR PUMPING FLUID INTO THE REGION CIRCUMSCRIBED BY SAID MARGINAL EDGE TO FORM A PRESSURE-FLUID SUPPORT CUSHION FOR SAID VEHICLE BETWEEN THE LATTER AND SAID SURFACE AND WHEREBY FLUID SQUEEZES OUT FROM UNDER SAID VEHICLE MARGINAL EDGE AT HIGH VELOCITY, AND FLUID FLOW REACTION MEANS DISPOSED IN THE PATH OF FLUID SQUEEZING OUT FROM UNDER SAID VEHICLE, SAID REACTION MEANS COMPRISING AIRFOIL-SECTIONED MEMBERS HELD BY SUPPORT MEANS BELOW AND ALONGSIDE OPPOSITE SIDES OF SAID VEHICLE AND OPERABLE IN RESPONSE TO FLOW OF FLUID THEREAROUND TO PROVIDE A VEHICLE LIFT EFFECT TRANSMITTED TO SAID VEHICLE THROUGH SAID SUPPORT MEANS.
References Cited (Backward Citations)
US3219136A
Cited
DE1181065B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |