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Expired Canadian patentCanada

Orthotic and method of making the same

CA 1320881 C · Owner: Brown, Dennis N. · Inventors: Brown, Dennis N.

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 relatively rigid cap is made of a material which is deformable at moderately elevated temperatures. A flexible blank contoured to fit a person's foot is placed against the cap which is at the elevated temperature, and these two are placed against the plantar surface of the foot. A plastic bag is placed around the cap, the blank and the foot, and a blank is applied to conform the cap and the blank to the person's foot so as to make a custom fit orthotic. Upon cooling the cap, remains properly contoured relative to the plantar surface of the foot.

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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

  • Granted August 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 2010.
  • 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 6, 1987
GrantedAugust 3, 1993
Term endedAugust 3, 2010
Patent numberCA 1320881 C
Classification (IPC)A43B13/41 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 6, 1987Patent grantedAug 3, 1993Term endedAug 3, 2010

Sources & verification

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