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Expired Canadian patentCanada

Human body contour conforming support and method of forming same

CA 1180524 A · Owner: Rogers, John E. Jr. · Inventors: Rogers, John E. Jr.

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 support that may be either in the form of a cushion or chair in which the portion thereof in contact with a specific user conforms to the body contour of the user, with the support being of hollow construction and filled with a resilient material such as a foamed polymerized resin or the like. The exterior surfaces of the support are enveloped in an envelope of a resilient material. The support is formed by having a user sit upon a bag of pliable sheet material, which bag is partially filled with a flowable granular material. A partial vacuum is applied to the interior of the bag to maintain it in the configuration to which it was deformed by the weight of the user. The bag is now coated …

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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 January 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 2002.
  • 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 25, 1982
GrantedJanuary 8, 1985
Term endedJanuary 8, 2002
Patent numberCA 1180524 A
Classification (IPC)A47C7/46

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedAug 25, 1982Patent grantedJan 8, 1985Term endedJan 8, 2002

Sources & verification

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