US3306467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible truck mounted hoist
Assignee: MASTER TANK AND WELDING
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Filing: 1965-07-27
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Granted: 1967-02-28
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Weempe Sam Ollin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:43
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/44; B60; B60P; B60P1/00; B60P1/54; B60P1/5404; B60P1/5423; B60P1/5433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
IN COLLAPSIBLE BOOM ADAPTED TO BE MOUNTED ON A TRUCK HAVING A FRAME WITH AN OPERATOR''S POSITION AND A LOAD CARRYING PORTION THEREON, A BASE FRAME ATTACHED TO THE TRUCK FRAME BETWEEN THE OPERATOR''S POSITION AND THE LOAD CARRYING PORTION; A VERTICAL POST ATTACHED TO THE BASE FRAME; A TELESCOPING BOOM MOUNTED ON THE POST; MEANS FOR ROTATABLY MOUNTING THE BOOM WITH RELATION TO THE POST; MEANS FOR HINGEDLY MOUNTING THE BOOM TO THE POST FOR VERTICAL MOVEMENT WITH RELATION TO THE POST, SAID BOOM BEING MOVABLE FROM A HORIZONTALLY DISPOSED POSITION TO A VERTICALLY DISPOSED DOWNWARD POSITION; MEANS FOR RAISING AND LOWERING THE BOOM; A PAIR OF BRACES ATTACHED BETWEEN THE POST AND THE BASE FRAME; MEANS FOR HINGEDLY ATTACHING THE BRACES AT THEIR UPPER ENDS TO THE POST, SAID BRACES BEING MOVABLE ABOUT THE HINGED ATTACHMENT MEANS FROM A POSITION EXTENDING LONGITUDINALLY AND REARWARDLY OF THE BASE FRAME TO A DECLINING POSITION ADJACENT THE POST; AND MEANS FOR DISENGAGEABLY ATTACHING THE BRACES TO THE BASE FRAME AT THEIR LOWER ENDS, WHEREBY THE BRACES MAY BE DISENGAGED AT THEIR LOWER ENDS FOR MOVEMENT INWARDLY TO A POSITION ADJACENT THE POST.
Claim 2
Dependent Claim
191 words
IN COLLAPSIBLE BOOM ADAPTED TO BE MOUNTED ON A TRUCK HAVING A FRAME WITH AN OPERATOR''S POSITION AND A LOAD CARRYING PORTION THEREON, A BASE FRAME ATTACHED TO THE TRUCK FRAME BETWEEN THE OPERATOR''S POSITION AND THE LOAD CARRYING PORTION; A VERTICAL POST ATTACHED TO THE BASE FRAME; A TELESCOPING BOOM MOUNTED ON THE POST; MEANS FOR ROTATABLY MOUNTING THE BOOM WITH RELATION TO THE POST; MEANS FOR HINGEDLY MOUNTING THE BOOM TO THE POST FOR VERTICAL MOVEMENT WITH RELATION TO THE POST, SAID BOOM BEING MOVABLE FROM A HORIZONTALLY DISPOSED POSITION TO A VERTICALLY DISPOSED DOWNWARD POSITION; MEANS FOR RAISING AND LOWERING THE BOOM; A PAIR OF BRACES ATTACHED BETWEEN THE POST AND THE BASE FRAME; MEANS FOR HINGEDLY ATTACHING THE BRACES AT THEIR UPPER ENDS TO THE POST, SAID BRACES BEING MOVABLE ABOUT THE HINGED ATTACHMENT MEANS FROM A POSITION EXTENDING LONGITUDINALLY AND REARWARDLY OF THE BASE FRAME TO A DECLINING POSITION ADJACENT THE POST; AND MEANS FOR DISENGAGEABLY ATTACHING THE BRACES TO THE BASE FRAME AT THEIR LOWER ENDS, WHEREBY THE BRACES MAY BE DISENGAGED AT THEIR LOWER ENDS FOR MOVEMENT INWARDLY TO A POSITION ADJACENT THE POST.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |