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US3329232A
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US
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Hydraulic system for articulated tractor
Assignee: Dresser Industries Inc
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Filing: 1965-12-10
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Granted: 1967-07-04
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Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 Salna Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:48
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)
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 |