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Expired Canadian patentCanada

High through-put materials handling system and method

CA 1136072 A · Owner: Eaton-Kenway Inc. · Inventors: Desprez, Barry L.; Allred, James K.; Strayhorn, Clarence E.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Input loads (70, 72, 74 etc.) e.g. palletized motor cars are queued prior to displacement onto a continuous conveyor (54) serviced by a plurality of storage and retrieval machines (40) associated one with each of the aisles of a high rise storage array (20), there being a pick-up (80) and a deposit (32) station for pallets associated with each aisle. The queued loads are metered onto the conveyor (54) on a far to near aisle correspondence basis and are simultaneously exchanged for output loads at each of the aisle locations. The method includes compensation for circumstances where outputs exceed inputs and where inputs exceed outputs by empty pallet management and allows for maximum …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted November 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 13, 1980
GrantedNovember 23, 1982
Term endedNovember 23, 1999
Patent numberCA 1136072 A
Classification (IPC)E04H6/12 +2 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedMarch 13, 1980Patent grantedNov 23, 1982Term endedNov 23, 1999

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.