US3338334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle lift
Assignee: Dover Corp
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Filing: 1965-03-24
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Granted: 1967-08-29
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Curtis J Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:16
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/02; B66F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
320 words
A VEHICLE LIFT SUPPORT FROM A SUPPORTING STRUCTURE, SAID VEHICLE LIFT COMPRISING A FIRST PAIR OF SPACED UPSTANDING HYDRAULIC JACK MEANS MOVABLE BETWEEN RETRACTED POSITIONS AND EXTENDED POSITIONS, A SECOND PAIR OF SPACED UPSTANDING HYDRAULIC JACK MEANS SPACED FROM SAID FIRST PAIR OF HYDRAULIC JACK MEANS AND MOVABLE BETWEEN RETRACTED POSITIONS AND EXTENDED POSITIONS, A FIRST TRANSVERSE MEMBER SUPPORTED ADJACENT THE OPPOSITE ENDS THEREOF FROM SAID FIRST PAIR OF JACK MEANS, A SECOND TRANSVERSE MEMBER SUPPORTED ADJACENT THE OPPOSITE ENDS THEREOF FROM SAID SECOND PAIR OF JACK MEANS, A SECOND TRANSVERSE LONGITUDINAL MEMBERS EXTENDING BETWEEN SAID FIRST TRANSVERSE MEMBER AND SAID SECOND TRANSVERSE MEMBER, PIVOT MEANS RESPECTIVELY PIVOTALLY ATTACHING THE OPPOSITE ENDS OF SAID LONGITUDINAL MEMBERS TO SAID TRANSVERSE MEMBERS, REAR WHEEL SUPPORTING STRUCTURE MOUNTED ON SAID PAIR OF LONGITUDINAL MEMBERS ADJACENT SAID SECOND TRANSVERSE MEMBER, A FRONT WHEEL SUPPORTING STRUCTURE MOVABLY MOUNTED ON SAID PAIR OF LONGITUDINAL MEMBERS FOR MOVEMENT FROM A POSITION ADJACENT SAID REAR WHEEL SUPPORTING STRUCTURE TO A POSITION ADJACENT SAID FIRST TRANSVERSE MEMBER; AND HYDRAULIC MEANS CONNECTED TO SAID JACK MEANS FOR THE RAISING AND LOWERING THEREOF TO CARRY SAID TRANSVERSE MEMBERS, SAID LONGITUDINAL MEMBERS, AND SAID FRONT AND WHEEL SUPPORTING STRUCTURES THEREWITH FOR THE RAISING AND LOWERING OF THE VEHICLE, SAID FRONT WHEEL SUPPORTING STRUCTURE INCLUDING A DISHED PLATE FOR RECEIVING THE FRONT WHEEL OF THE VEHICLE, SAID DISHED PLATE OF SAID FRONT WHEEL SUPPORTING STRUCTURE INCLUDING A REARWARDLY AND HORIZONTALLY EXTENDING REARWARD LIP, SAID REAR WHEEL SUPPORTING STRUCTURE INCLUDING A DISHED PLATE FOR RECEIVING THE REAR WHEEL OF A VEHICLE, SAID DISHED PLATE OF SAID REAR WHEEL SUPPORTING STRUCTURE INCLUDING A FORWARDLY AND HORIZONTALLY EXTENDING FORWARD LIP, SAID FORWARD LIP BEING AT A SLIGHTLY HIGHER LEVEL THAN SAID REARWARD LIP WHEREBY SAID FORWARD LIP IS ADAPTED TO EXTEND CLOSELY OVER SAID REARWARD LIP IN OVERLAPPING RELATION THERETO WHEN SAID FRONT WHEEL SUPPORTING STRUCTURE IS IN SAID POSITION ADJACENT SAID REAR WHEEL SUPPORTING STRUCTURE.
Claim 2
Dependent Claim
320 words
A VEHICLE LIFT SUPPORT FROM A SUPPORTING STRUCTURE, SAID VEHICLE LIFT COMPRISING A FIRST PAIR OF SPACED UPSTANDING HYDRAULIC JACK MEANS MOVABLE BETWEEN RETRACTED POSITIONS AND EXTENDED POSITIONS, A SECOND PAIR OF SPACED UPSTANDING HYDRAULIC JACK MEANS SPACED FROM SAID FIRST PAIR OF HYDRAULIC JACK MEANS AND MOVABLE BETWEEN RETRACTED POSITIONS AND EXTENDED POSITIONS, A FIRST TRANSVERSE MEMBER SUPPORTED ADJACENT THE OPPOSITE ENDS THEREOF FROM SAID FIRST PAIR OF JACK MEANS, A SECOND TRANSVERSE MEMBER SUPPORTED ADJACENT THE OPPOSITE ENDS THEREOF FROM SAID SECOND PAIR OF JACK MEANS, A SECOND TRANSVERSE LONGITUDINAL MEMBERS EXTENDING BETWEEN SAID FIRST TRANSVERSE MEMBER AND SAID SECOND TRANSVERSE MEMBER, PIVOT MEANS RESPECTIVELY PIVOTALLY ATTACHING THE OPPOSITE ENDS OF SAID LONGITUDINAL MEMBERS TO SAID TRANSVERSE MEMBERS, REAR WHEEL SUPPORTING STRUCTURE MOUNTED ON SAID PAIR OF LONGITUDINAL MEMBERS ADJACENT SAID SECOND TRANSVERSE MEMBER, A FRONT WHEEL SUPPORTING STRUCTURE MOVABLY MOUNTED ON SAID PAIR OF LONGITUDINAL MEMBERS FOR MOVEMENT FROM A POSITION ADJACENT SAID REAR WHEEL SUPPORTING STRUCTURE TO A POSITION ADJACENT SAID FIRST TRANSVERSE MEMBER; AND HYDRAULIC MEANS CONNECTED TO SAID JACK MEANS FOR THE RAISING AND LOWERING THEREOF TO CARRY SAID TRANSVERSE MEMBERS, SAID LONGITUDINAL MEMBERS, AND SAID FRONT AND WHEEL SUPPORTING STRUCTURES THEREWITH FOR THE RAISING AND LOWERING OF THE VEHICLE, SAID FRONT WHEEL SUPPORTING STRUCTURE INCLUDING A DISHED PLATE FOR RECEIVING THE FRONT WHEEL OF THE VEHICLE, SAID DISHED PLATE OF SAID FRONT WHEEL SUPPORTING STRUCTURE INCLUDING A REARWARDLY AND HORIZONTALLY EXTENDING REARWARD LIP, SAID REAR WHEEL SUPPORTING STRUCTURE INCLUDING A DISHED PLATE FOR RECEIVING THE REAR WHEEL OF A VEHICLE, SAID DISHED PLATE OF SAID REAR WHEEL SUPPORTING STRUCTURE INCLUDING A FORWARDLY AND HORIZONTALLY EXTENDING FORWARD LIP, SAID FORWARD LIP BEING AT A SLIGHTLY HIGHER LEVEL THAN SAID REARWARD LIP WHEREBY SAID FORWARD LIP IS ADAPTED TO EXTEND CLOSELY OVER SAID REARWARD LIP IN OVERLAPPING RELATION THERETO WHEN SAID FRONT WHEEL SUPPORTING STRUCTURE IS IN SAID POSITION ADJACENT SAID REAR WHEEL SUPPORTING STRUCTURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |