Patent US3120832A successfully refreshed from Google Patents.
US3120832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines in particular to military roads vehicles to obtain degree of buoyancy of these machines
Assignee: Lorraine Des Anciens De Dietrich Et Cie De Luneville Ets SA Ste
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Filing: 1961-09-27
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Granted: 1964-02-11
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Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Buisson Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:23
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/003; B60F3/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A LAND BASED VEHICLE COMPRISING A MOBILE CHASSIS HAVING DRIVING MEANS FOR MOVING THE VEHICLE ON THE GROUND AND A FLUID-TIGHT STRUCTURE LATERALLY DISPOSED ON SAID CHASSIS, SAID FLUID-TIGHT STRUCTURE HAVING A COLLAPSED STATE IN WHICH THE STRUCTURE IS COLLAPSED AGAINST THE CHASSIS AND AN EXPANDED STATE IN WHICH THE STRUCTURE CONSTITUTES AT LEAST ONE SKIRT FLARING OUTWARDLY AND DOWNWARDLY OF SAID CHASSIS TO DEFINE A CHAMBER HAVING A DOWNWARD FACING OPENING TO INCREASE THE BUOYANCY OF THE VEHICLE TO FLOAT THE VEHICLE IN A LIQUID WITH THE DRIVING MEANS ONLY PARTIALLY SUBMERGED SO THAT THE DRIVING MEANS IS EFFECTIVE TO ALSO AT LEAST PARTIALLY DRIVE THE VEHICLE IN THE LIQUID, SAID VEHICLE FURTHER COMPRISING MEANS FOR SELECTING ONE OF SAID STATES.
Claim 2
Dependent Claim
122 words
A LAND BASED VEHICLE COMPRISING A MOBILE CHASSIS HAVING DRIVING MEANS FOR MOVING THE VEHICLE ON THE GROUND AND A FLUID-TIGHT STRUCTURE LATERALLY DISPOSED ON SAID CHASSIS, SAID FLUID-TIGHT STRUCTURE HAVING A COLLAPSED STATE IN WHICH THE STRUCTURE IS COLLAPSED AGAINST THE CHASSIS AND AN EXPANDED STATE IN WHICH THE STRUCTURE CONSTITUTES AT LEAST ONE SKIRT FLARING OUTWARDLY AND DOWNWARDLY OF SAID CHASSIS TO DEFINE A CHAMBER HAVING A DOWNWARD FACING OPENING TO INCREASE THE BUOYANCY OF THE VEHICLE TO FLOAT THE VEHICLE IN A LIQUID WITH THE DRIVING MEANS ONLY PARTIALLY SUBMERGED SO THAT THE DRIVING MEANS IS EFFECTIVE TO ALSO AT LEAST PARTIALLY DRIVE THE VEHICLE IN THE LIQUID, SAID VEHICLE FURTHER COMPRISING MEANS FOR SELECTING ONE OF SAID STATES.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |