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Expired Canadian patentCanada

Microwave oven food temperature-sensing probe assembly

CA 1073699 A · Owner: General Electric Company · Inventors: Hornung, Richard E.

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 food temperature-sensing probe assembly for monitoring the internal temperature of food while it is being cooked in a microwave oven includes a disc-like reflector mounted at a fixed position on the probe housing a predetermined distance from the tip of the probe housing. The probe housing is adapted to be driven into the food so that the reflector is adjacent to , but spaced from, the food. The reflector serves to prevent overcooking of the food in a region immediately adjacent the probe. An indicator on the probe housing shows the minimum recommended insertion depth of the probe into the food, and therefore the maximum relfector-to-food spacing for effective shielding. The reflector and …

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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 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 18, 1980
Term endedMarch 18, 1997
Patent numberCA 1073699 A
Classification (IPC)G01K7/04 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedMarch 18, 1980Term endedMarch 18, 1997

Sources & verification

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