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Expired Canadian patentCanada

Switching apparatus for vehicle locking device

CA 1317776 C · Owner: Mitsui Kinzoku Kogyo Kabushiki Kaisha · Inventors: Yamada, Shinjiro

CIPO record

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

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Abstract From the Canadian patent

A switching apparatus is provided for a vehicle locking device which is easy to assemble provides accurate, operation, and uses a return spring separated from the switch contacts. A recess portion for receiving a latch and a ratchet for preventing the reversing of the latch is formed in a base plate made of a synthetic resin so that the latch and the ratchet are mounted in the recess portion. A further recess portion is provided for receiving a cartridge at the back of the first recess portion the, cartridge being provided with a half-latching fixed contact a fully-latching fixed contact and an open-state fixed contact which each have the form of a circular arc with a latch shaft at the …

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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 May 18, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 18, 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.
FiledAugust 9, 1988
GrantedMay 18, 1993
Term endedMay 18, 2010
Patent numberCA 1317776 C
Classification (IPC)E05B81/66 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedAug 9, 1988Patent grantedMay 18, 1993Term endedMay 18, 2010

Sources & verification

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