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Expired Canadian patentCanada

Fusible interlining of improved bond strength and dry cleaning resistance

CA 1203441 A · Owner: Lainiere De Picardie Bc · Inventors: Kamat, Dattatraya V.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Abstract of the Disclosure A fusible interlining having enhanced bond strength with resistance to dry cleaning and comprising a support web and a heat activatable adhesive carried by said support web, said adhesive comprising polyethylene having a melt index of at least 60, a density of at least .91 and a relatively narrow molecular weight distribution 9 as expressed by having a MW:MN ratio of no more than 4.

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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 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 1, 1983
GrantedApril 22, 1986
Term endedApril 22, 2003
Patent numberCA 1203441 A
Classification (IPC)A41D27/06 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedNov 1, 1983Patent grantedApril 22, 1986Term endedApril 22, 2003

Sources & verification

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