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Expired Canadian patentCanada

Device prohibiting the start-up of an electronic assembly after an initial power outage

CA 1284841 C · Owner: Cp8 Technologies · Inventors: Ugon, Michel

CIPO record

Overview

Drawings and full text

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

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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 11, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 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.
FiledJuly 10, 1987
GrantedJune 11, 1991
Term endedJune 11, 2008
Patent numberCA 1284841 C
Classification (IPC)G07F7/10 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 10, 1987Patent grantedJune 11, 1991Term endedJune 11, 2008

Sources & verification

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