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Expired Canadian patentCanada

Powder skirt zipper system

CA 2545122 C · Owner: Anderson, William · Inventors: Anderson, William; Padron, Arriana; Twitty, Jay

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

Garments and garment sets are described that include a jacket having a powder skirt and trousers that can be attached to the powder skirt via at least one fastener. One embodiment of the invention includes a water resistant jacket, an elasticized powder skirt having at least two edges, the first of which is attached to the water resistant jacket, at least one fastener connected to the second edge of the powder skirt, water resistant trousers including a waist opening and two leg openings and at least one corresponding mating fastener connected to the trousers. The fastener and the corresponding mating fastener are constructed to detachably fix the powder skirt to the water …

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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 November 8, 2004 and granted March 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 8, 2024.
  • 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.
FiledNovember 8, 2004
GrantedMarch 20, 2012
Term endedNovember 8, 2024
Patent numberCA 2545122 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedNov 8, 2004Patent grantedMarch 20, 2012Term endedNov 8, 2024

Sources & verification

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