US3327799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Raisable flexible skirt for fluidcushion sustained vehicles
Assignee: Bertin Technologies SAS
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Filing: 1965-10-18
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Granted: 1967-06-27
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Guienne Paul Francois
- 👤 Faure Marc Henri Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:55
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A FLUID-CUSHION SUSTAINED MOVABLE BODY COMPRISING A PLATFORM WITH AN UNDERFACE, A RAISABLE FLEXIBLE SKIRT DEPENDING FROM SAID UNDERFACE AND COMPRISING A PLURALITY OF SUPERPOSED, GENERALLY HORIZONTAL, INFLATABLE TUBES CONNECTED TO EACH OTHER ALONG A JUNCTION PORTION HAVING AN INNER OUTLINE, AND A GENERALLY FRUSTO-CONCIAL LOWER SKIRT EXTENSION CONNECTED TO THE LOWERMOST TUBE AND HAVING A FREE LOWER END BOUNDING AN AREA GREATER THAN THAT BOUNDED BY SAID INNER OUTLINE, AND CONTROLLABLE MEANS FOR SELECTIVELY INFLATING AND DEFLATING SAID TUBES.
Claim 2
Dependent Claim
80 words
A FLUID-CUSHION SUSTAINED MOVABLE BODY COMPRISING A PLATFORM WITH AN UNDERFACE, A RAISABLE FLEXIBLE SKIRT DEPENDING FROM SAID UNDERFACE AND COMPRISING A PLURALITY OF SUPERPOSED, GENERALLY HORIZONTAL, INFLATABLE TUBES CONNECTED TO EACH OTHER ALONG A JUNCTION PORTION HAVING AN INNER OUTLINE, AND A GENERALLY FRUSTO-CONCIAL LOWER SKIRT EXTENSION CONNECTED TO THE LOWERMOST TUBE AND HAVING A FREE LOWER END BOUNDING AN AREA GREATER THAN THAT BOUNDED BY SAID INNER OUTLINE, AND CONTROLLABLE MEANS FOR SELECTIVELY INFLATING AND DEFLATING SAID TUBES.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |