US3081891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling apparatus
Assignee: Warner and Swasey Co
•
Filing: 1958-07-16
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Granted: 1963-03-19
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Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Przybylski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:42
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/32; E02F3/36; E02F3/38; E02F3/382; E02F3/384; E02F9/00; E02F9/08; E02F9/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A VEHICLE INCLUDING A DETACHABLE FRAME HAVING A VERTICALLY SWINGABLE BOOM MOUNTED THEREON AND COMPRISED OF TWO SECTIONS PIVOTED FOR RELATIVE SWINGING MOVEMENT ABOUT A HORIZONTAL AXIS PARALLEL TO THE AXIS ABOUT WHICH THE SAID BOOM SWINGS VERTICALLY AND FLUID PRESSURE MOTORS FOR SWINGING SAID BOOM VERTICALLY AND FOR RELATIVELY MOVING SAID SECTIONS ABOUT SAID HORIZONTAL AXIS, SAID FRAME HAVING AN OPERATING POSITION ON SAID VEHICLE AND FURTHER COMPRISING VERTICALLY EXTENDIBLE JACKLEG MEANS AND FLUID PRESSURE MOTOR MEANS FOR OPERATING SAID JACKLEG MEANS, AN OPERATOR''S CONTROL STATION ON SAID FRAME INCLUDING CONTROL VALVE MEANS FOR SAID MOTORS AND SAID MOTORS MEANS, FLEXIBLE FLUID PRESSURE CONDUITS EXTENDING BETWEEN SAID FRAME AND VEHICLE AND OF SUFFICIENT LENGTH TO ACCOMMODATE SEPARATION OF SAID FRAME AND VEHICLE WHILE MAINTAINING THE FLUID PRESSURE CONNECTION THEREBETWEEN AND INCLUDING QUICK DETACHABLE CONNECTIONS FOR BREAKING SAID CONDUITS, SAID CONNECTIONS INCLUDING SHUT-OFF VALVES FOR CLOSING THE SEPARATED ENDS OF THE CONDUITS, ATTACHING MEANS DETACHABLY
Claim 2
Dependent Claim
155 words
A VEHICLE INCLUDING A DETACHABLE FRAME HAVING A VERTICALLY SWINGABLE BOOM MOUNTED THEREON AND COMPRISED OF TWO SECTIONS PIVOTED FOR RELATIVE SWINGING MOVEMENT ABOUT A HORIZONTAL AXIS PARALLEL TO THE AXIS ABOUT WHICH THE SAID BOOM SWINGS VERTICALLY AND FLUID PRESSURE MOTORS FOR SWINGING SAID BOOM VERTICALLY AND FOR RELATIVELY MOVING SAID SECTIONS ABOUT SAID HORIZONTAL AXIS, SAID FRAME HAVING AN OPERATING POSITION ON SAID VEHICLE AND FURTHER COMPRISING VERTICALLY EXTENDIBLE JACKLEG MEANS AND FLUID PRESSURE MOTOR MEANS FOR OPERATING SAID JACKLEG MEANS, AN OPERATOR''S CONTROL STATION ON SAID FRAME INCLUDING CONTROL VALVE MEANS FOR SAID MOTORS AND SAID MOTORS MEANS, FLEXIBLE FLUID PRESSURE CONDUITS EXTENDING BETWEEN SAID FRAME AND VEHICLE AND OF SUFFICIENT LENGTH TO ACCOMMODATE SEPARATION OF SAID FRAME AND VEHICLE WHILE MAINTAINING THE FLUID PRESSURE CONNECTION THEREBETWEEN AND INCLUDING QUICK DETACHABLE CONNECTIONS FOR BREAKING SAID CONDUITS, SAID CONNECTIONS INCLUDING SHUT-OFF VALVES FOR CLOSING THE SEPARATED ENDS OF THE CONDUITS, ATTACHING MEANS DETACHABLY
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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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |