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US3172545A Expired / Lapsed US ⏱️ 0.0 years remaining

Case unstacking and conveying apparatus

Assignee: Foremost Dairies Inc
•
Filing: 1961-01-30
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Granted: 1965-03-09
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Expires: 1981-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 Ulrich J Schmid

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 00:12
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/06; B65G59/061; B65G59/062

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 119 words
IN AUTOMATIC CASE UNSTACKING APPARATUS, AN UNSTACKING STATION INCLUDING AN ELEVATOR, HOIST MEANS OPERABLE TO RAISE AND LOWER SAID ELEVATOR IN AN UNSTACKING SEQUENCE, PRESSURE PADS ON OPPOSITE SIDES OF SAID ELEVATOR, MEANS RESPONSIVE TO UPWARD MOVEMENT OF A STACK OF CASES ON SAID ELEVATOR TO CAUSE SAID PADS TO MOVE APART TO PERMIT PASSAGE OF SAID STACK AND ELEVATOR, MEANS RESPONSIVE TO AND OPERABLE DURING DOWNWARD MOVEMENT OF SAID ELEVATOR O CAUSE SAID PADS TO ENGAGE A CASE IN THE STACK ABOVE THE CASE SUPPORTED BY SAID ELEVATOR WHEREBY SAID CASE AND THE PORTION OF THE STACK THEREABOVE ARE HELD IN SUPPORTED POSITION BY SAID PADS , AND MEANS TO DISCHARGE THE LOWERMOST CASE FROM SAID UNSTACKING ELEVATOR.
Claim 2
Dependent Claim 119 words
IN AUTOMATIC CASE UNSTACKING APPARATUS, AN UNSTACKING STATION INCLUDING AN ELEVATOR, HOIST MEANS OPERABLE TO RAISE AND LOWER SAID ELEVATOR IN AN UNSTACKING SEQUENCE, PRESSURE PADS ON OPPOSITE SIDES OF SAID ELEVATOR, MEANS RESPONSIVE TO UPWARD MOVEMENT OF A STACK OF CASES ON SAID ELEVATOR TO CAUSE SAID PADS TO MOVE APART TO PERMIT PASSAGE OF SAID STACK AND ELEVATOR, MEANS RESPONSIVE TO AND OPERABLE DURING DOWNWARD MOVEMENT OF SAID ELEVATOR O CAUSE SAID PADS TO ENGAGE A CASE IN THE STACK ABOVE THE CASE SUPPORTED BY SAID ELEVATOR WHEREBY SAID CASE AND THE PORTION OF THE STACK THEREABOVE ARE HELD IN SUPPORTED POSITION BY SAID PADS , AND MEANS TO DISCHARGE THE LOWERMOST CASE FROM SAID UNSTACKING ELEVATOR.

References Cited (Backward Citations)

US1632203A Cited
US2716500A Cited
US2769570A Cited
US3038615A Cited
US2857058A Cited
US2956319A Cited
US3053402A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-08 1968-09-07 1969-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-08 1972-09-07 1973-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-08 1976-09-07 1977-03-09 $7700.00 Window Closed / Lapsed

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