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Expired Canadian patentCanada

Method and adaptor for installing flue liner to fireplace insert

CA 1281249 C · Owner: Rieger, Heinz H. · Inventors: Rieger, Heinz H.

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 method and adaptor for installing a flue liner in a fireplace chimney in the installation of a fireplace insert is shown. The adaptor can be slidably mounted on top of the firebox of the fireplace insert with two slider brackets mounted on top of the firebox. The adaptor has a sleeve therein for coupling to the flue liner. The flue liner can be conveniently installed by first inserting it into the chimney with its lower end connected to the sleeve. The adaptor is then slidably mounted to the firebox by slidably engaging with the two slider brackets while the firebox is being inset into the fireplace.

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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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
  • 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, 1988
GrantedMarch 12, 1991
Term endedMarch 12, 2008
Patent numberCA 1281249 C
Classification (IPC)F24C15/30

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedAug 25, 1988Patent grantedMarch 12, 1991Term endedMarch 12, 2008

Sources & verification

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