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Patent US3121401A successfully refreshed from Google Patents.
US3121401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air supported vehicle
Assignee: Ford Motor Co
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Filing: 1962-11-13
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Granted: 1964-02-18
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Everett H Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:51
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/04; B61; B61B; B61B13/00; B61B13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN AN AIR SUPPORTED VEHICLE THE COMBINATION COMPRISING A STRUCTURAL MEMBER, SAID STRUCTURAL MEMBER INCLUDING MEANS FORMING AN AIR PASSAGER FOR CONTAINING AIR UNDER PRESSURE, A BELLOWS CONNECTED AT ONE END TO SAID STRUCTURAL MEMBER, SAID STRUCTURAL MEMBER HAVING AN OPENING FOR THE PASSAGE OF AIR FROM SAID STRUCTURAL MEMBER TO SAID BELLOWS, AN AIR PRESSURE LEVITATION DEVICE CONNECTED TO THE OTHER END OF SAID BELLOWS TO RECEIVE AIR UNDER PRESSURE FROM SAID BELLOWS, SAID AIR PRESSURE LEVITATION DEVICE BEING ADAPTED TO BE POSITIONED IN OPPOSED RELATION SHIP TO A SUBSTANTIALLY HORIZONTAL SURFACE OF A RAIL SYSTEM WHEREBY SAID VEHICLE MAY BE SUPPORTED ON SAID SUBSTANTIALLY HORIZONTAL SURFACE THROUGH SAID AIR PRESSURE LEVIATION DEVICE AND SAID BELLOWS.
Claim 2
Dependent Claim
117 words
IN AN AIR SUPPORTED VEHICLE THE COMBINATION COMPRISING A STRUCTURAL MEMBER, SAID STRUCTURAL MEMBER INCLUDING MEANS FORMING AN AIR PASSAGER FOR CONTAINING AIR UNDER PRESSURE, A BELLOWS CONNECTED AT ONE END TO SAID STRUCTURAL MEMBER, SAID STRUCTURAL MEMBER HAVING AN OPENING FOR THE PASSAGE OF AIR FROM SAID STRUCTURAL MEMBER TO SAID BELLOWS, AN AIR PRESSURE LEVITATION DEVICE CONNECTED TO THE OTHER END OF SAID BELLOWS TO RECEIVE AIR UNDER PRESSURE FROM SAID BELLOWS, SAID AIR PRESSURE LEVITATION DEVICE BEING ADAPTED TO BE POSITIONED IN OPPOSED RELATION SHIP TO A SUBSTANTIALLY HORIZONTAL SURFACE OF A RAIL SYSTEM WHEREBY SAID VEHICLE MAY BE SUPPORTED ON SAID SUBSTANTIALLY HORIZONTAL SURFACE THROUGH SAID AIR PRESSURE LEVIATION DEVICE AND SAID BELLOWS.
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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |