Patent US3141564A successfully refreshed from Google Patents.
US3141564A
Expired / Lapsed
US
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Hand truck
Assignee: A Reich and Sons Inc
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Filing: 1961-11-20
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Granted: 1964-07-21
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Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Walter A Reich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:35
CPC Classifications
A; A22; A22B; A22B7/00; A22B7/001; A22B7/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A HAND TRUCK COMPRISING: (A) A WHEELED BASE; (B) A PAIR OF EXTENSIBLE UPRIGHT MEMBERS CARRIED BY SAID BASE EACH INCLUDING AN INNER TUBE AND AN OUTER TUBE, SAID OUTER TUBE BEING SHIFTABLE WITH RESPECT TO SAID INNER TUBE; (C) PUMP MEANS FOR INTRODUCING FLUID INTO SAID INNER TUBE WHEREBY TO CAUSE THE SHIFTING OF SAID OUTER TUBE; (D) AN ARTICULATED HANDLE ASSEMBLY INTERCONNECTING SAID BASE AND SAID OUTER TUBES; (E) A GRIPPING HEAD CARRIED BY SAID OUTER TUBES, SAID GRIPPING HEAD INCLUDING AN INCLINED SUPPORTING PLATE, A PAIR OF JAWS LYING IN A SUBSTANTIALLY HORIZONTAL PLANE AND SWINGABLY COUPLED TO SAID PLATE, AND SHIFTABLE LINKAGE FOR MOVING SAID JAWS TO AN OPEN AND CLOSED POSITION; AND (F) A CRADLE CARRIED BETWEEN SAID UPRIGHT MEMBERS AND SPANNING THE DISTANCE THEREBETWEEN, SAID CRADLE BEING VERTICALLY SPACED FROM SAID BASE AND FROM SAID HEAD AND LOCATED AT A POINT THEREBETWEEN.
Claim 2
Dependent Claim
148 words
A HAND TRUCK COMPRISING: (A) A WHEELED BASE; (B) A PAIR OF EXTENSIBLE UPRIGHT MEMBERS CARRIED BY SAID BASE EACH INCLUDING AN INNER TUBE AND AN OUTER TUBE, SAID OUTER TUBE BEING SHIFTABLE WITH RESPECT TO SAID INNER TUBE; (C) PUMP MEANS FOR INTRODUCING FLUID INTO SAID INNER TUBE WHEREBY TO CAUSE THE SHIFTING OF SAID OUTER TUBE; (D) AN ARTICULATED HANDLE ASSEMBLY INTERCONNECTING SAID BASE AND SAID OUTER TUBES; (E) A GRIPPING HEAD CARRIED BY SAID OUTER TUBES, SAID GRIPPING HEAD INCLUDING AN INCLINED SUPPORTING PLATE, A PAIR OF JAWS LYING IN A SUBSTANTIALLY HORIZONTAL PLANE AND SWINGABLY COUPLED TO SAID PLATE, AND SHIFTABLE LINKAGE FOR MOVING SAID JAWS TO AN OPEN AND CLOSED POSITION; AND (F) A CRADLE CARRIED BETWEEN SAID UPRIGHT MEMBERS AND SPANNING THE DISTANCE THEREBETWEEN, SAID CRADLE BEING VERTICALLY SPACED FROM SAID BASE AND FROM SAID HEAD AND LOCATED AT A POINT THEREBETWEEN.
References Cited (Backward Citations)
US2743833A
Cited
CA627879A
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US2272447A
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US2832630A
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US2903147A
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US2946407A
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US3021169A
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |