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Expired Canadian patentCanada

Wall panel system providing resilient joints

CA 1203066 A · Owner: Donn Incorporated · Inventors: Mieyal, David F.; Reynard, Peter

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 panel system for walls. ceilings and the like, is disclosed in which the panels are provided with a flexible surface material which extends into resilient means that operate to press the surface material of adjacent panels into face-to-face contact to provide a closed, neat joint between adjacent panels. Because of the resiliency along the joints, brackets screws, and, the like may be inserted through the joints and secured to the panel supporting frame structure without damage to the panel materials. Subsequently, if the brackets screws, and the like are removed, the resilient means returns the flexible sheet material into the face-to-face abutting condition, re-establishing the closed …

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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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
  • 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 3, 1983
GrantedApril 15, 1986
Term endedApril 15, 2003
Patent numberCA 1203066 A
Classification (IPC)E04B2/82 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedNov 3, 1983Patent grantedApril 15, 1986Term endedApril 15, 2003

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