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Expired Canadian patentCanada

Fabric separable fastener member

CA 2567502 C · Owner: Kuraray Fastening Co. Ltd. · Inventors: Katsuki, Toshiyuki; Tanaka, Kazuhiko; Itoh, Hiroshi

CIPO record

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Abstract From the Canadian patent

A fabric separable fastener member is provided which comprises a fiber for a base fabric and a fiber for a fastening element firmly anchored by the fused fiber for the base fabric, and which is excellent in flexibility and durability without a back-coated layer. The separable fastener member comprises (.alpha.1) a ground warp, (.alpha.2) a ground weft containing a binder fiber and (.alpha.3) a pile yarn, and the pile yarn (.alpha.3) is anchored by the fused binder fiber. In the separable fastener member each of the ground warp (.alpha.1) , the ground weft (.alpha.2) and the pile yarn (.alpha.3) comprises a polyester fiber the mass ratio , of the ground warp (.alpha.1) relative to the …

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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

  • Filed June 9, 2005 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 9, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 9, 2005
GrantedJanuary 22, 2013
Term endedJune 9, 2025
Patent numberCA 2567502 C
Classification (IPC)A44B18/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJune 9, 2005Patent grantedJan 22, 2013Term endedJune 9, 2025

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