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Expired Canadian patentCanada

Composite material, compression support braces therefrom and a method for making braces

CA 2129562 C · Owner: Becton, Dickinson And Company · Inventors: Harris, Alvin R.

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 multisection composite material useful in forming compression braces for orthopedic support of a body part includes a user contacting fabric section an outermost, fabric section formed from bonding two dissimilar fabrics and an intermediate section formed from a closed cell foam. The user contacting fabric section is a fabric having multidimensional stretch properties formed from hydrophobic fibers and bonded to a surface of the intermediate foam section. The outermost section includes a first fabric layer having multidimensional stretch properties formed from hydrophilic fibers and a second fabric layer having multidimensional stretch properties formed from hydrophobic fibers. 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 August 5, 1994 and granted December 15, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 5, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 5, 1994
GrantedDecember 15, 1998
Term endedAugust 5, 2014
Patent numberCA 2129562 C
Classification (IPC)A61L31/00 +2 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedAug 5, 1994Patent grantedDec 15, 1998Term endedAug 5, 2014

Sources & verification

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