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Expired Canadian patentCanada

Method of shipping and dispensing a web of interconnected bags

CA 1136589 A · Owner: Automated Packaging Systems, Inc. · Inventors: Liebhart, Dana J.; Lerner, Bernard

CIPO record

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

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Abstract From the Canadian patent

A carton filled with a chain of interconnected open bags arranged in a plicated array is disclosed. A process for filling the carton is disclosed in which the chain of bags is fed into an inverted container closed, end first, with the bags being laid in horizontal layers. Each layer is folded back on the preceding layer to produce a plicated array. At the completion of carton loading the trailing, edge of the web preferably is fed along one end wall of the container and out an opening near or at what will become the top of the container. The container is then closed and inverted. The first bag in is the first bag out and it is positioned adjacent to a dispensing opening. The last bag in, …

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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 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 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.
FiledAugust 27, 1979
GrantedNovember 30, 1982
Term endedNovember 30, 1999
Patent numberCA 1136589 A
Classification (IPC)B65D83/08

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedAug 27, 1979Patent grantedNov 30, 1982Term endedNov 30, 1999

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