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Expired Canadian patentCanada

Three-dimensional woven integrally stiffened panel

CA 2589557 C · Owner: Albany International Techniweave, Inc. · Inventors: Goering, Jonathan

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

An integrally woven three-dimensional preform with stiffeners in two directions constructed from a woven base fabric (8) having first second and , third woven fabrics (10, 12 14). A plurality of yarns are interwoven over a region between the first (10) and second (12) fabrics such that the first fabric is foldable relative to the second fabric. An additional plurality of yarns are interwoven over a region between the second (12) and third (14) fabrics such that the third fabric is foldable relative to the second fabric. Upon folding of the woven base fabric, the integrally woven three-dimensional preform with stiffeners in two directions is formed.

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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 10, 2005 and granted May 28, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 10, 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.
FiledNovember 10, 2005
GrantedMay 28, 2013
Term endedNovember 10, 2025
Patent numberCA 2589557 C
Classification (IPC)D03D25/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 10, 2005Patent grantedMay 28, 2013Term endedNov 10, 2025

Sources & verification

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