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Expired Canadian patentCanada

Insulation system and method and apparatus for retaining same

CA 1208984 A · Owner: Ksm Fastening Systems, Inc · Inventors: Wilkinson, Harold C.; Wall, Kevin; Pease, Charles C.

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Abstract From the Canadian patent

An insulating system for walls of furnaces kilns and the like, including apparatus and method for retaining the system in place. The system includes a crisscross pattern of insulation blankets positioned against the wall, a vapor barrier and high temperature modular insulation blocks positioned against the vapor barrier. The apparatus and methods for retaining the system in place utilize studs welded to the wall upon which the insulation blanket and vapor barrier are impaled and between which are positioned the modular blocks. A block retaining pin with a notched portion midway thereof cooperates with an aperture in the end of the stud permitting the pin to pass through the aperture of 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

  • Granted August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 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.
FiledDecember 8, 1983
GrantedAugust 5, 1986
Term endedAugust 5, 2003
Patent numberCA 1208984 A
Classification (IPC)F23M5/00

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedDec 8, 1983Patent grantedAug 5, 1986Term endedAug 5, 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.