← Back to Patent Explorer
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
•
Filing: 1961-09-27
•
Granted: 1964-02-11
•
Expires: 1981-09-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Buisson Andre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:19
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)

US1319424A Cited
GB189515036A Cited
US2075785A Cited
US2386132A Cited
US2453149A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag