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Expired Canadian patentCanada

Labyrinth door seal for a refrigerator

CA 2111066 C · Owner: Banicevic, Nedo · Inventors: Banicevic, Nedo; Pettit, Doug James

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A novel refrigerator door liner construction and sealing gasket provides an improvement in the insulating value of a refrigerator door in the area immediately, adjacent the gasket. The door liner is arranged to have a raised abutment adjacent a flat sealing portion of the gasket. The door liner almost abuts an adjacent surface of a refrigerator cabinet liner when the door is closed so as to, effectively form a labyrinth seal with the gasket sealing portion between the door, liner and the cabinet liner. The labyrinth seal provided between the door liner, and refrigerator cabinet liner reduces the heat stress on the gasket and improves, the overall efficiency of the refrigerator.

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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

  • Filed December 9, 1993 and granted March 13, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 9, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 9, 2015.
  • 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 9, 1993
GrantedMarch 13, 2001
Term endedDecember 9, 2013
Patent numberCA 2111066 C
Classification (IPC)F25D23/02 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedDec 9, 1993Patent grantedMarch 13, 2001Term endedDec 9, 2013

Sources & verification

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