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Expired Canadian patentCanada

Method of and apparatus for manufacturing tag pin assemblies

CA 1203677 A · Owner: Clements (Ben) & Sons, Inc. · Inventors: Kato, Masami

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Abstract From the Canadian patent

A method of manufacturing tag pin assemblies in which individual tag pins each comprising a head and a crossbar integrally connected by a filament are integrally but severably connected in the thickness direction which, method comprises the steps of continuously molding block tag-pin blanks of a sectional configuration corresponding to the individual tag pins, and of cutting the block tag-pin blank into slices having the prescribed thickness and altogether connected with an uncut portion respectively thereof. Apparatus for practising the method is also disclosed, which comprises an extruder provided with a die for continuously extruding block tag-pin blanks and a, cutter device for cutting …

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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 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 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.
FiledAugust 3, 1982
GrantedApril 29, 1986
Term endedApril 29, 2003
Patent numberCA 1203677 A
Classification (IPC)B23K5/18

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedAug 3, 1982Patent grantedApril 29, 1986Term endedApril 29, 2003

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