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Expired Canadian patentCanada

Method and apparatus for molding shoe inserts

CA 1320831 C · Owner: Cumberland, Glenn W. · Inventors: Cumberland, Glenn W.

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

Abstract of the Disclosure, A method and apparatus are provided for relatively convenient and efficient production of custom molded inserts for shoes. The apparatus utilizes a molding pillow arrangement, upon which a user stands during use. The molding pillow arrangement has a composite construction including a first resilient layer a, middle resilient layer and a bottom support layer. The bottom support layer preferably includes a generic arch curve therein. The upper resilient layer is formed from a relatively soft foam, and thus molds around a user's feet. The middle layer is resilient, but relatively hard by comparison to the upper layer. The middle layer provides for a relatively firm …

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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.
FiledSeptember 29, 1989
GrantedAugust 3, 1993
Term endedAugust 3, 2010
Patent numberCA 1320831 C
Classification (IPC)A43B13/38 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 29, 1989Patent 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.