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Expired Canadian patentCanada

Fixing device of a heating member in a combined microwave and convection cooking apparatus

CA 1324640 C · Owner: Park, Hwa Shik · Inventors: Park, Hwa Shik

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 fixing device of a heating member in a combined microwave and convection cooking apparatus includes inner and outer case members having flanges respectively an, upper plate of a heating cavity provided with first and second holders, and a heating member assembly including fixing and supporting members for firmly fixing and supporting the heater in the inner case member. When the device is assembled and fixed, the flanges of the inner and outer case members are inserted within the first and second holders respectively for preventing the leakage of the air heated by the heater.

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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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 21, 1989
GrantedNovember 23, 1993
Term endedNovember 23, 2010
Patent numberCA 1324640 C
Classification (IPC)F24C7/02 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 21, 1989Patent grantedNov 23, 1993Term endedNov 23, 2010

Sources & verification

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