Patent US4416346A successfully refreshed from Google Patents.
US4416346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible steering, propulsion and skirting means for ground effect vehicles
Assignee: Individual
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Filing: 1980-12-29
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Granted: 1983-11-22
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Expires: 2000-12-29
Abstract
Abstract A new improved steering, propelling and skirting means is provided for air cushion type vehicles. The steering, propelling or skirting means is biased to maintain contact with the underlying support surface thereby providing dramatic improvements in the response for steering and propelling the vehicle, as well as reduction in fluid loss with respect to the vehicle skirting means.
Inventors
- 👤 Russell J. Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:38
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/14; B60V1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A skirt member for use with ground effect vehicles which employ a chamber for capturing pressurized fluid as a means for providing lift to the vehicle, and which hover above a support surface, comprising a resilient flap attached to and surrounding the outer periphery of the chamber, having a lip member forming a seal between the chamber and the support surface, wherein said flap is attached to said chamber by an attachment means comprising a flexible, inflatable hose which serves as a belt to releasably mount said resilient flap to the periphery of the chamber.
Claim 2
Dependent Claim
95 words
A skirt member for use with ground effect vehicles which employ a chamber for capturing pressurized fluid as a means for providing lift to the vehicle, and which hover above a support surface, comprising a resilient flap attached to and surrounding the outer periphery of the chamber, having a lip member forming a seal between the chamber and the support surface, wherein said flap is attached to said chamber by an attachment means comprising a flexible, inflatable hose which serves as a belt to releasably mount said resilient flap to the periphery of the chamber.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-21 | 1987-05-23 | 1987-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-21 | 1991-05-23 | 1991-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-21 | 1995-05-23 | 1995-11-22 | $7700.00 | Window Closed / Lapsed |