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Expired Canadian patentCanada

Label having discontinuous score lines in the backing

CA 1249961 A · Owner: Avery International Corporation · Inventors: Van Arnam, Donald; Mcfeaters, Earl; Ang, T. Liem

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

Abstract of the Disclosure, An adhesive laminate including a base web having, a coating of pressure-sensitive adhesive and a backing removably adhered to the coating of adhesive for protecting and containing the adhesive, is described. The backing has one or more non-linear, discontinuous score lines formed, preferably, with a laser. A sine-wave geometric pattern is also preferred. The non-linear discontinuous score line enables a crack-and-peel feature to be introduced to the laminate backing.

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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 February 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 29, 1985
GrantedFebruary 14, 1989
Term endedFebruary 14, 2006
Patent numberCA 1249961 A
Classification (IPC)B32B3/30

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJuly 29, 1985Patent grantedFeb 14, 1989Term endedFeb 14, 2006

Sources & verification

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