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Expired Canadian patentCanada

Anti-creep waist-clothing stay device and method of reinforcing crotch-adjacent inner-seam areas

CA 2645926 C · Owner: Chetelat, Catherine · Inventors: Chetelat, Catherine; Chetelat, Michael

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

A pre-assembled anti-creep waist-clothing stay device (10) including a patch (20) having front (22) and back (24) surfaces and sized for application to a crotch- adjacent inner-seam area (55) of the waist-clothing (50) and a stay strip (30) affixed to the back surface of the patch the stay strip being positioned and sized such that the patch extends beyond edges of the stay strip. In important embodiments the patch includes a heat-activated adhesive (26) such that when the patch is applied to the waist-clothing with iron-on heat and pressure the patch adheres at its back surface to the waist-clothing thereby securing the stay strip in position to prevent the waist- clothing from riding up …

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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 March 31, 2006 and granted November 17, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 2026.
  • 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.
FiledMarch 31, 2006
GrantedNovember 17, 2015
Term endedMarch 31, 2026
Patent numberCA 2645926 C
Classification (IPC)A41D27/06

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 31, 2006Patent grantedNov 17, 2015Term endedMarch 31, 2026

Sources & verification

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