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Expired Canadian patentCanada

Circuit testers

CA 1330360 C · Owner: Meyrueix, Paul · Inventors: Meyrueix, Paul; Verhnes, Jean Paul; Tremblay, Gerard

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

The present invention relates to improvements in test equipment for electronic circuits already mounted and assembled notably printed circuit boards. The invention provides observation means based on the use of the electro-optical principles of certain materials. A functional tester in accordance with the invention has easy effective diagnostic processes.

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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 June 21, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 29, 1988
GrantedJune 21, 1994
Term endedJune 21, 2011
Patent numberCA 1330360 C
Classification (IPC)G01R31/28 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 29, 1988Patent grantedJune 21, 1994Term endedJune 21, 2011

Sources & verification

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