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Expired Canadian patentCanada

Method and apparatus for supporting furnace heating elements

CA 1107337 A · Owner: Sauder Industries, Inc. · Inventors: Sauder, Robert A.

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

An apparatus including an insulation module attachable to a furnace wall, an elongate anchor member completely embedded within the insulation module and generally parallel to a major surface of the module, and a support element having one end cooperable with a heating element and another end attachable to the anchor member is disclosed. A method including embedding an anchor member within an insulation module, affixing the module to a wall, inserting a support member into the module and engaging the anchor member therewith, and bringing a heating element into an engagement with another end of the support member is disclosed.

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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 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 20, 1978
GrantedAugust 18, 1981
Term endedAugust 18, 1998
Patent numberCA 1107337 A
Classification (IPC)F27D1/10 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedFeb 20, 1978Patent grantedAug 18, 1981Term endedAug 18, 1998

Sources & verification

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