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US3122250A Expired / Lapsed US ⏱️ 0.0 years remaining

Container handling apparatus

Assignee: Dempster Systems Inc
•
Filing: 1962-05-07
•
Granted: 1964-02-25
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Expires: 1982-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Henry C French
  • 👤 Neil F Wender

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:22
CPC Classifications
B; B65; B65F; B65F3/00; B65F3/02; B65F3/04; B60; B60P; B60P1/00; B60P1/48; B60P1/50; B65F2003/0263; B65F2003/0279

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 146 words
IN CONTAINER HANDLING EQUIPMENT OF THE CHARACTER DESCRIBED, THE COMBINATION OF A PAIR OF LIFTING ARMS PIVOTALLY MOUNTED AT ONE END TO A VEHICLE FOR RAISING AND LOWERING MOVEMENT WITH RESPECT TO THE VEHICLE, A TORQUE TUBE EXTENDING BETWEEN THE OTHER ENDS OF THE LIFTING ARMS AND JOURNALED TO THE LIFTING ARMS FOR ROTATIONAL MOVEMENT WITH RESPECT TO THE LIFTING ARMS, SLEEVE MEMBERS MOVABLE ALONG THE TORQUE TUBE, MEANS BETWEEN THE TORQUE TUBE AND THE SLEEVE MEMBERS FOR GUIDING THE SLEEVE MEMBERS ALONG THE TORQUE TUBE AND FOR PREVENTING ROTATIONAL MOVEMENT OF THE SLEEVE MEMBERS WITH RESPECT TO THE TORQUE TUBE, A FORK ARM ATTACHED TO EACH SLEEVE AND EXTENDING AWAY FROM THE TORQUE TUBE, AND POWER MEANS ON THE TORQUE TUBE FOR MOVING THE SLEEVE MEMBERS ALONG THE TORQUE TUBE, SAID POWER MEANS INCLUDING A FLUID ACTUATED CYLINDER DEVICE PIVOTALLY MOUNTED TO THE TORQUE TUBE.
Claim 2
Dependent Claim 146 words
IN CONTAINER HANDLING EQUIPMENT OF THE CHARACTER DESCRIBED, THE COMBINATION OF A PAIR OF LIFTING ARMS PIVOTALLY MOUNTED AT ONE END TO A VEHICLE FOR RAISING AND LOWERING MOVEMENT WITH RESPECT TO THE VEHICLE, A TORQUE TUBE EXTENDING BETWEEN THE OTHER ENDS OF THE LIFTING ARMS AND JOURNALED TO THE LIFTING ARMS FOR ROTATIONAL MOVEMENT WITH RESPECT TO THE LIFTING ARMS, SLEEVE MEMBERS MOVABLE ALONG THE TORQUE TUBE, MEANS BETWEEN THE TORQUE TUBE AND THE SLEEVE MEMBERS FOR GUIDING THE SLEEVE MEMBERS ALONG THE TORQUE TUBE AND FOR PREVENTING ROTATIONAL MOVEMENT OF THE SLEEVE MEMBERS WITH RESPECT TO THE TORQUE TUBE, A FORK ARM ATTACHED TO EACH SLEEVE AND EXTENDING AWAY FROM THE TORQUE TUBE, AND POWER MEANS ON THE TORQUE TUBE FOR MOVING THE SLEEVE MEMBERS ALONG THE TORQUE TUBE, SAID POWER MEANS INCLUDING A FLUID ACTUATED CYLINDER DEVICE PIVOTALLY MOUNTED TO THE TORQUE TUBE.

References Cited (Backward Citations)

US1518561A Cited
US1835431A Cited
US2582663A Cited
US2620935A Cited
US2671571A Cited
US2900096A Cited
US2950828A Cited
US2975918A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-24 1967-08-26 1968-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-24 1971-08-26 1972-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-24 1975-08-26 1976-02-25 $7700.00 Window Closed / Lapsed

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