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Expired Canadian patentCanada

Method and apparatus for producing labels

CA 1291891 C · Owner: Instance, David John · Inventors: Instance, David John

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

Method and Apparatus for Producing Labels A method of producing a succession of self-adhesive labels on a length of release material, which method comprises the steps of:- (a) applying a layer of pressure-sensitive adhesive to a surface of a length of release material; (b) applying a succession of individual labels to the layer of pressure-sensitive adhesive so as to adhere the labels to the release material;, (c) cutting through each of the labels and the layer of pressure-sensitive adhesive as far as the release material thereby to form the required self-adhesive labels; and (d) removing the waste portions of the applied labels and the waste portions of the pressure-sensitive adhesive …

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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 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 17, 1987
GrantedNovember 12, 1991
Term endedNovember 12, 2008
Patent numberCA 1291891 C
Classification (IPC)B31D1/02

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 17, 1987Patent grantedNov 12, 1991Term endedNov 12, 2008

Sources & verification

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