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Expired Canadian patentCanada

Blow molded polyethylene terephthalate container having iml texturedlabel wall and method for making same

CA 1298562 C · Owner: Plastipak Packaging, Inc. · Inventors: Darr, Richard C.

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 blow molded polyethylene terephthalate container (20) is disclosed as having a noncylindrical wall (28) to which at least one label (38) is secured with a textured surface provided by an in-mold labeling operation that prevents label shifting during the blow molding operation. The textured label surface includes isolated depressions (53) that are defined by mold projections (72) which define mold passages (74) through which a vacuum is drawn to provide the label securement. The label and wall depressions (53) of the container and the mold projections (72) that provide these depressions are preferably arranged in a repeating pattern of rows that are inclined in a crossing relationship …

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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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 21, 1988
GrantedApril 7, 1992
Term endedApril 7, 2009
Patent numberCA 1298562 C
Classification (IPC)B28B21/36 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedApril 21, 1988Patent grantedApril 7, 1992Term endedApril 7, 2009

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