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Expired Canadian patentCanada

Sensor assembly for a radiator mounted coolant level monitoring system

CA 1232046 A · Owner: Ford Motor Company Of Canada, Limited · Inventors: Puscasu, Boris

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

An electrically conductive liquid level sensor utilizing a pair of parallel closely spaced electrically conducting probes that are exposed within a liquid container for immersion in said liquid. The sensor includes an electrical insulator partition extending between the probes so as to inerrupt any direct path therebetween while at the same time localizing the conduction path to a narrow band of liquid levels due to the close spacing of the probes.

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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 January 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2005.
  • 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 15, 1985
GrantedJanuary 26, 1988
Term endedJanuary 26, 2005
Patent numberCA 1232046 A
Classification (IPC)G01F23/00 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedMarch 15, 1985Patent grantedJan 26, 1988Term endedJan 26, 2005

Sources & verification

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