US3127956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift truck
Assignee: Doosan Bobcat North America Inc
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Filing: 1961-11-16
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Granted: 1964-04-07
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Hosbein
- 👤 Lapsley Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:27
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A LIFT TRUCK HAVING A MAIN FRAME AND A PAIR OF TRANSVERSELY SPACED GROUND ENGAGING WHEELS MOUNTED ADJACENT THE FORWARD END OF THE FRAME, THE COMBINATION OF AN UPRIGHT ASSEMBLY COMPRISING AN OUTER UPRIGHT GUIDEWAY INCLUDING TRANSVERSELY SPACED CHANELED MEMBERS AND AN INNER UPRIGHT GUIDEWAY INCLUDING TRANSVERSELY SPACED CHANNELED MEMBERS, THE LONGITUDINAL CENTER LINE OF THE UPRIGHT ASSEMBLY LYING REARWARDLY OF THE AXIS OF ROTATION OF SAID WHEELS, A LOAD SUPPORTING CARRIAGE SUPPORTED BY A VERTICALLY MOVABLE IN SAID INNER UPRIGHT GUIDEWAY, A PAIR OF TRANSVERSELY SPACED HYDRAULIC ASSEMBLIES CARRIED AT THE FORWARD END OF THE MAIN FRAME AND ARRANGED FORWARDLY OF AND SUBSTANTIALLY IN LINE WITH THE CHANNELED MEMBERS OF THE OUTER UPRIGHT GUIDEWAY AND REARWARDLY OF SAID CARRIAGE, EACH OF SAID HYDRAULIC ASSEMBLIES COMPRISING RELATIVELY VERTICALLY MOVABLE ELEMENTS, AND MEANS ASSOCIATED WITH SAID CARRIAGE AND SAID HYDRAULIC ASSEMBLIES FOR MOVING SAID CARRIAGE RELATIVE TO SAID INNER UPRIGHT GUIDEWAY AND SAID INNER UPRIGHT GUIDEWAY RELATIVE TO SAID OUTER UPRIGHT GUIDEWAY UPON ACTUATION OF SAID HYDRAULIC ASSEMBLIES.
Claim 2
Dependent Claim
168 words
IN A LIFT TRUCK HAVING A MAIN FRAME AND A PAIR OF TRANSVERSELY SPACED GROUND ENGAGING WHEELS MOUNTED ADJACENT THE FORWARD END OF THE FRAME, THE COMBINATION OF AN UPRIGHT ASSEMBLY COMPRISING AN OUTER UPRIGHT GUIDEWAY INCLUDING TRANSVERSELY SPACED CHANELED MEMBERS AND AN INNER UPRIGHT GUIDEWAY INCLUDING TRANSVERSELY SPACED CHANNELED MEMBERS, THE LONGITUDINAL CENTER LINE OF THE UPRIGHT ASSEMBLY LYING REARWARDLY OF THE AXIS OF ROTATION OF SAID WHEELS, A LOAD SUPPORTING CARRIAGE SUPPORTED BY A VERTICALLY MOVABLE IN SAID INNER UPRIGHT GUIDEWAY, A PAIR OF TRANSVERSELY SPACED HYDRAULIC ASSEMBLIES CARRIED AT THE FORWARD END OF THE MAIN FRAME AND ARRANGED FORWARDLY OF AND SUBSTANTIALLY IN LINE WITH THE CHANNELED MEMBERS OF THE OUTER UPRIGHT GUIDEWAY AND REARWARDLY OF SAID CARRIAGE, EACH OF SAID HYDRAULIC ASSEMBLIES COMPRISING RELATIVELY VERTICALLY MOVABLE ELEMENTS, AND MEANS ASSOCIATED WITH SAID CARRIAGE AND SAID HYDRAULIC ASSEMBLIES FOR MOVING SAID CARRIAGE RELATIVE TO SAID INNER UPRIGHT GUIDEWAY AND SAID INNER UPRIGHT GUIDEWAY RELATIVE TO SAID OUTER UPRIGHT GUIDEWAY UPON ACTUATION OF SAID HYDRAULIC ASSEMBLIES.
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |