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Expired Canadian patentCanada

Trivet for a microwave oven

CA 1215433 A · Owner: Microwave Ovens Limited · Inventors: Eke, Kenneth I.

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

Title: Trivet for a Microwave Oven ABSTRACT, A microwave oven has a trivet in the form of a perforated metal plate (18) which rests on a turntable (10) of the oven. The metal plate (18) and the turntable (10) are both stove enamelled to prevent sparking. The plate 18 and the turntable (10)enclose a space which is screened from microwave power, so that fats and juices draining into the space from food cooked above the trivet do not absorb substantial quantities of microwave power and therefore do not boil or smoke. A rack (24) may be placed on the trivet to support food at a level higher than the trivet.

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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 December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2003.
  • 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 12, 1984
GrantedDecember 16, 1986
Term endedDecember 16, 2003
Patent numberCA 1215433 A
Classification (IPC)F24C7/02 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedJuly 12, 1984Patent grantedDec 16, 1986Term endedDec 16, 2003

Sources & verification

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