Patent US3182740A successfully refreshed from Google Patents.
US3182740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicles for travelling over land and/or water
Assignee: Hovercraft Development Ltd
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Filing: 1963-12-10
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Granted: 1965-05-11
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Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 Cockerell Christopher Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:05
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/16; B60V1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A VEHICLE FOR TRAVELLING OVER A SURFACE AND ADAPTED TO BE SUPPORTED ABOVE SAID SURFACE AT LEAST IN PART BY A CUSHION OF PRESSURISED FLUID CONTAINED BELOW THE VEHICLE IN A CUSHION SPACE LOCATED BETWEEN THE UNDERSIDE OF THE VEHICLE AND THE SURFACE OVER WHICH IT IS TRAVELLING, COMPRISING A FLEXIBLE STRUCTURE EXTENDING ALONG THE PERIPHERY OF SAID CUSHION SPACE AND CONSTITUTING AN UPPER PART OF THE PERIPHERAL BOUNDARY THEREOF, AND MEANS FOR CAUSING A CURTAIN OF MOVING FLUID TO ISSUE FROM THE LOWER PORTION OF SAID FLEXIBLE STRUCTURE AND FLOW TOWARDS SAID SURFACE TO FORM A LOWER PART OF THE PERIPHERAL BOUNDARY OF SAID CUSHION SPACE.
Claim 2
Dependent Claim
107 words
A VEHICLE FOR TRAVELLING OVER A SURFACE AND ADAPTED TO BE SUPPORTED ABOVE SAID SURFACE AT LEAST IN PART BY A CUSHION OF PRESSURISED FLUID CONTAINED BELOW THE VEHICLE IN A CUSHION SPACE LOCATED BETWEEN THE UNDERSIDE OF THE VEHICLE AND THE SURFACE OVER WHICH IT IS TRAVELLING, COMPRISING A FLEXIBLE STRUCTURE EXTENDING ALONG THE PERIPHERY OF SAID CUSHION SPACE AND CONSTITUTING AN UPPER PART OF THE PERIPHERAL BOUNDARY THEREOF, AND MEANS FOR CAUSING A CURTAIN OF MOVING FLUID TO ISSUE FROM THE LOWER PORTION OF SAID FLEXIBLE STRUCTURE AND FLOW TOWARDS SAID SURFACE TO FORM A LOWER PART OF THE PERIPHERAL BOUNDARY OF SAID CUSHION SPACE.
References Cited (Backward Citations)
No citation records indexed.
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 |