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Expired Canadian patentCanada

Improved waterproof breathable lining and outerwear constructed therefrom

CA 2173199 C · Owner: Blauer Manufacturing Company, Inc. · Inventors: Blauer, Stephen J.; Mordecai, Mark A.; Blauer, Charles

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

A fabric structure comprising a shell and a lining in close proximity to each other. The shell includes an outer closely woven synthetic fabric, a relatively high tensile strength pattern imprinted on the inner face thereof and fluorocarbon, impregnation thereof. The lining includes an intermediate outer synthetic polymer membrane, an inner synthetic polymer fabric, and optionally, an outer synthetic polymer fabric.

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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 April 1, 1996 and granted May 11, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 1, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 1, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 1, 1996
GrantedMay 11, 1999
Term endedApril 1, 2016
Patent numberCA 2173199 C
Classification (IPC)B32B7/05 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedApril 1, 1996Patent grantedMay 11, 1999Term endedApril 1, 2016

Sources & verification

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