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Expired Canadian patentCanada

Stir prompt apparatus

CA 1288843 C · Owner: Food Automation-Service Techniques, Inc. · Inventors: Pasquini, Mario; Breen, Kathie A.

CIPO record

Overview

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

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Abstract From the Canadian patent

Apparatus for prompting an operator to stir a cooking medium in a cooking appliance, for example shortening in a, fryer vat. The apparatus prompts the operator to stir the shortening vigorously during a cold start. The apparatus may utilize a timer which counts down the time and at time out causes a stir alarm to sound and a message to be displayed to alert the operator that a stir time has occurred Also, the shortening temperature may be checked to determine whether a specific stir temperature has been reached. When a stir temperature has been reached the, alarm may be sounded and the message displayed to prompt the operator to stir the shortening.

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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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 30, 1988
GrantedSeptember 10, 1991
Term endedSeptember 10, 2008
Patent numberCA 1288843 C
Classification (IPC)G05B19/04 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMarch 30, 1988Patent grantedSep 10, 1991Term endedSep 10, 2008

Sources & verification

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