US3330384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braking device for ground effect vehicles movable along a track
Assignee: Bertin Technologies SAS
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Filing: 1965-03-08
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Granted: 1967-07-11
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Bertin Jean Henri
- 👤 Guienne Paul Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:22
CPC Classifications
B; B61; B61H; B61H9/00; B61H9/02; B60; B60V; B60V3/00; B60V3/02; B60V3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A GROUND EFFECT VEHICLE DESIGNED TO MOVE ALONG A TRACK HAVING A BEARING SURFACE PORTION AND A BRAKING SURFACE PORTION DISTINCT FROM SAID BEARING SURFACE PORTION, SAID VEHICLE BEING ADAPTED TO MOVE ALONG SAID TRACK WITH INTERPOSED FLUID CUSHIONS BEARING AGAINST SAID TRACK BEARING SURFACE PORTION, A BRAKING DEVICE COMPRISING A PRESSURE RESPONSIVE, DEFORMABLE WALL ELEMENT CARRIED BY SAID VEHICLE AND POSITIONED ADJACENT TO BUT SPACED FROM SAID TRACK BRAKING SURFACE PORTION, MEANS ON SAID VEHICLE FOR SELECTIVELY APPLYING FLUID PRESSURE TO SAID WALL ELEMENT TO DEFORM THE SAME TOWARD SAID TRACK BRAKING SURFACE PORTION, AND A FRICTION PAD FITTED ON SAID WALL ELEMENT TO FRICTIONALLY ENGAGE SAID TRACK BRAKING SURFACE PORTION UPON APPLICATION OF SAID FLUID PRESSURE.
Claim 2
Dependent Claim
119 words
IN A GROUND EFFECT VEHICLE DESIGNED TO MOVE ALONG A TRACK HAVING A BEARING SURFACE PORTION AND A BRAKING SURFACE PORTION DISTINCT FROM SAID BEARING SURFACE PORTION, SAID VEHICLE BEING ADAPTED TO MOVE ALONG SAID TRACK WITH INTERPOSED FLUID CUSHIONS BEARING AGAINST SAID TRACK BEARING SURFACE PORTION, A BRAKING DEVICE COMPRISING A PRESSURE RESPONSIVE, DEFORMABLE WALL ELEMENT CARRIED BY SAID VEHICLE AND POSITIONED ADJACENT TO BUT SPACED FROM SAID TRACK BRAKING SURFACE PORTION, MEANS ON SAID VEHICLE FOR SELECTIVELY APPLYING FLUID PRESSURE TO SAID WALL ELEMENT TO DEFORM THE SAME TOWARD SAID TRACK BRAKING SURFACE PORTION, AND A FRICTION PAD FITTED ON SAID WALL ELEMENT TO FRICTIONALLY ENGAGE SAID TRACK BRAKING SURFACE PORTION UPON APPLICATION OF SAID FLUID PRESSURE.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |