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Expired Canadian patentCanada

Method and apparatus for switching optical connector

CA 1299408 C · Owner: Yanagawa, Hisaharu · Inventors: Ogai, Mikio; Kinoshita, Isamu; Yanagawa, Hisaharu

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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 method for switching an optical connector having paired optical connectors, pins engaged with engaging holes of the optical connectors, which involves connector disposing step of disposing the switching optical connector parallel to the separating optical connector, pin forward moving step of moving the pins engaged with both the reconnecting and separating optical connectors each other to the reconnecting optical connector side, then connecting switching step of relatively moving the reconnecting optical connector the separating optical connector and the switching optical connector and the front end faces thereof and, then pin backward moving step of moving the pins of the reconnecting …

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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 April 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 8, 1988
GrantedApril 28, 1992
Term endedApril 28, 2009
Patent numberCA 1299408 C
Classification (IPC)G02B6/38 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJan 8, 1988Patent grantedApril 28, 1992Term endedApril 28, 2009

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