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US3329232A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic system for articulated tractor

Assignee: Dresser Industries Inc
•
Filing: 1965-12-10
•
Granted: 1967-07-04
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Expires: 1985-12-10
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Abstract

No abstract record available.

Inventors

  • 👤 Salna Karl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:36
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/48; B60P1/50; B62; B62D; B62D53/00; B62D53/02; E; E02; E02F; E02F9/00; E02F9/08; E02F9/0841

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 87 words
IN COMBINATION: AN ARTICULATED MATERIAL HANDLING VEHICLE COMPRISING A FIRST CHASSIS PIVOTALLY CONNECTED TO A SECOND CHASSIS ABOUT A SUBSTANTIALLY VERTICAL PIVOT AXIS ; AN ENGINE MOUNTED ON THE SECOND CHASSIS; A HYDRAULIC PUMP MOUNTED ON THE SECOND CHASSIS AND DRIVEN BY THE ENGINE, THE PUMP HAVING AN INLET AND AT LEAST ONE OUTLET; AND, CONDUIT MEANS FLUIDLY CONNECTING THE PUMP INLET WITH A RESERVOIR MOUNTED ON THE FIRST CHASSIS, THE CONDUIT MEANS INCLUDING FIRST AND SECOND INTER-COMMUNICATING COUPLING ELEMENTS RELATIVELY ROTATABLE COAXIALLY WITH THE PIVOT AXIS,
Claim 2
Dependent Claim 87 words
IN COMBINATION: AN ARTICULATED MATERIAL HANDLING VEHICLE COMPRISING A FIRST CHASSIS PIVOTALLY CONNECTED TO A SECOND CHASSIS ABOUT A SUBSTANTIALLY VERTICAL PIVOT AXIS ; AN ENGINE MOUNTED ON THE SECOND CHASSIS; A HYDRAULIC PUMP MOUNTED ON THE SECOND CHASSIS AND DRIVEN BY THE ENGINE, THE PUMP HAVING AN INLET AND AT LEAST ONE OUTLET; AND, CONDUIT MEANS FLUIDLY CONNECTING THE PUMP INLET WITH A RESERVOIR MOUNTED ON THE FIRST CHASSIS, THE CONDUIT MEANS INCLUDING FIRST AND SECOND INTER-COMMUNICATING COUPLING ELEMENTS RELATIVELY ROTATABLE COAXIALLY WITH THE PIVOT AXIS,

References Cited (Backward Citations)

US3134628A Cited
US3151694A Cited
US3246778A Cited
US3263767A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-03 1971-01-02 1971-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-03 1975-01-02 1975-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-03 1979-01-02 1979-07-04 $7700.00 Window Closed / Lapsed

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