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Expired Canadian patentCanada

Electronic clinical thermometer

CA 1322251 C · Owner: Hanzawa, Yoshiki · Inventors: Hanzawa, Yoshiki; Muramoto, Yutaka

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

566216, Abstract of the Disclosure, A raised value of a measured temperature of a portion to be measured in a predetermined period of time is calculated by a calculation unit. The calculated value is supplied to an addition value computing unit together with an output from a predetermined time measuring unit so as to calculate an addition value. An equilibrium temperature is predicted and output by adding this addition value to the measured temperature.

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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 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 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.
FiledMay 6, 1988
GrantedSeptember 14, 1993
Term endedSeptember 14, 2010
Patent numberCA 1322251 C
Classification (IPC)G01K13/00 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMay 6, 1988Patent grantedSep 14, 1993Term endedSep 14, 2010

Sources & verification

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