US3182739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicles for travelling over land and/or water
Assignee: Hovercraft Development Ltd
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Filing: 1959-09-01
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Granted: 1965-05-11
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Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 Cockerell Christopher Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:03
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/16; B60V1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A VEHICLE OF THE TYPE ADAPTED FOR TRAVELLING OR HOVERING OVER SURFACES OF LAND OR WATER COMPRISING A MAIN BODY, MEANS FOR PRODUCING A PRESSURIZED CUSHION OF GAS BENEATH SAID BODY CAPABLE OF AT LEAST PARTIALLY SUPPORTING THE VEHICLE ABOVE THE SURFACE OVER WHICH IS IS TRAVELLING OR HOVERING, SAID CUSHION PRODUCING MEANS HAVING A PART WHICH IS FLEXIBLY ATTACHED TO SAID BODY SO AS TO BE CAPABLE OF VERTICAL MOVEMENT RELATIVE THERETO IN RESPONSE TO VARIATIONS IN THE HEIGHT OF SAID BODY RELATIVE TO SAID SURFACE, MEANS FOR CAUSING AT LEAST ONE CURTAIN OF MOVING FLUID TO ISSUE FROM SAID PART AND FLOW TOWARDS SAID SURFACE AND AT LEAST PARTIALLY CONTAIN SAID PRESSURISED CUSHION OF GAS, AND MEANS FOR EXERTING ON SAID FLEXIBLY ATTACHED PART A RESTORING FORCE TENDING TO PREVENT VERTICAL MOVEMENT OF SAID PART RELATIVE TO SAID MAIN BODY.
Claim 2
Dependent Claim
142 words
A VEHICLE OF THE TYPE ADAPTED FOR TRAVELLING OR HOVERING OVER SURFACES OF LAND OR WATER COMPRISING A MAIN BODY, MEANS FOR PRODUCING A PRESSURIZED CUSHION OF GAS BENEATH SAID BODY CAPABLE OF AT LEAST PARTIALLY SUPPORTING THE VEHICLE ABOVE THE SURFACE OVER WHICH IS IS TRAVELLING OR HOVERING, SAID CUSHION PRODUCING MEANS HAVING A PART WHICH IS FLEXIBLY ATTACHED TO SAID BODY SO AS TO BE CAPABLE OF VERTICAL MOVEMENT RELATIVE THERETO IN RESPONSE TO VARIATIONS IN THE HEIGHT OF SAID BODY RELATIVE TO SAID SURFACE, MEANS FOR CAUSING AT LEAST ONE CURTAIN OF MOVING FLUID TO ISSUE FROM SAID PART AND FLOW TOWARDS SAID SURFACE AND AT LEAST PARTIALLY CONTAIN SAID PRESSURISED CUSHION OF GAS, AND MEANS FOR EXERTING ON SAID FLEXIBLY ATTACHED PART A RESTORING FORCE TENDING TO PREVENT VERTICAL MOVEMENT OF SAID PART RELATIVE TO SAID MAIN BODY.
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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |