Patent Yard Sign in
Expired Canadian patentCanada

Heat generating container for microwave oven

CA 1323909 C · Owner: Morino, Taisuke · Inventors: Akiyama, Shuichi; Tanaka, Mami; Morino, Taisuke

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A heat generating container for use in a microwave oven, which includes a metallic main container a metallic lid to be detachably applied onto said metallic main container, and microwave absorbing heat generating film layers formed on outer surface of the metallic main container and metallic lid. The microwave absorbing heat generating film layers are varied in thickness for uniform heat generation of the main container and the lid.

Read the whole patent

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 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 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.
FiledJune 13, 1989
GrantedNovember 2, 1993
Term endedNovember 2, 2010
Patent numberCA 1323909 C
Classification (IPC)H05B6/80 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 13, 1989Patent grantedNov 2, 1993Term endedNov 2, 2010

Sources & verification

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