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Expired Canadian patentCanada

Temperature sensing means for refrigerator

CA 1197299 A · Owner: Whirlpool Corporation · Inventors: Paddock, Stephen W.

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

TEMPERATURE SENSING MEANS FOR REFRIGERATOR" ABSTRACT OF THE DISCLOSURE, A temperature sensing means for a refrigeration apparatus including sensing means responsive to the temperature within a refrigerated space and to an ambient temperature condition for signalling the temperature condition of the refrigeration apparatus. In the disclosed embodiment the, sensing means is mounted in the access door of the refrigeration apparatus and the temperature sensors are mounted within a single housing. The sensor for sensing the ambient temperature is effectively insulated from the refrigerated space and senses the ambient temperature through a portion of the housing and door. In the illustrated …

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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 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 31, 1982
GrantedNovember 26, 1985
Term endedNovember 26, 2002
Patent numberCA 1197299 A
Classification (IPC)G01K13/00 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedAug 31, 1982Patent grantedNov 26, 1985Term endedNov 26, 2002

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