US3177960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicles for travelling over land and/or water
Assignee: Hovercraft Development Ltd
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Filing: 1961-03-07
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Granted: 1965-04-13
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Cockerell Christopher Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:57
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A VEHICLE FOR TRAVELLING OVER A SURFACE COMPRISING A MAIN BODY OF RIGID LOAD-SUPPORTING CONSTRUCTION, AT LEAST ONE HOLLOW INFLATABLE MEMBER CONNECTED TO SAID MAIN BODY, MEANS FOR INFLATING SAID INFLATABLE MEMBER, SAID MEMBER BEING SO CONNECTED TO SAID MAIN BODY AS TO EXTEND LATERALLY OUTWARDS THEREFROM WHEN INFLATED, MEANS FOR FORMING A CUSHION OF PRESSURISED GAS BENEATH THE VEHICLE BY WHICH THE VEHICLE IS AT LEAST PARTLY SUPPORTED ABOVE THE SURFACE OVER WHICH IT OPERATES, SAID CUSHION EXTENDING BENEATH BOTH SAID MAIN BODY AND SAID INFLATABLE MEMBER WHEN INFLATED SO THAT SAID CUSHION IS PARTLY INFLATED TAINED BY, AND THE PRESSURE THEREOF ACTS ON, THE INFLATED MEMBER IN SUPPORTING THE VEHICLE, AND ADDITIONAL MEANS FOR SUPPORTING SAID MAIN BODY ABOVE THE SURFACE WHEN SAID MEMBER IS DEFLATED.
Claim 2
Dependent Claim
128 words
A VEHICLE FOR TRAVELLING OVER A SURFACE COMPRISING A MAIN BODY OF RIGID LOAD-SUPPORTING CONSTRUCTION, AT LEAST ONE HOLLOW INFLATABLE MEMBER CONNECTED TO SAID MAIN BODY, MEANS FOR INFLATING SAID INFLATABLE MEMBER, SAID MEMBER BEING SO CONNECTED TO SAID MAIN BODY AS TO EXTEND LATERALLY OUTWARDS THEREFROM WHEN INFLATED, MEANS FOR FORMING A CUSHION OF PRESSURISED GAS BENEATH THE VEHICLE BY WHICH THE VEHICLE IS AT LEAST PARTLY SUPPORTED ABOVE THE SURFACE OVER WHICH IT OPERATES, SAID CUSHION EXTENDING BENEATH BOTH SAID MAIN BODY AND SAID INFLATABLE MEMBER WHEN INFLATED SO THAT SAID CUSHION IS PARTLY INFLATED TAINED BY, AND THE PRESSURE THEREOF ACTS ON, THE INFLATED MEMBER IN SUPPORTING THE VEHICLE, AND ADDITIONAL MEANS FOR SUPPORTING SAID MAIN BODY ABOVE THE SURFACE WHEN SAID MEMBER IS DEFLATED.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |