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Expired Canadian patentCanada

Optical connector holder assembly

CA 2029592 C · Owner: Bell-Northern Research Ltd. · Inventors: Debortoli, George

CIPO record

Overview

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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 connector holder assembly for holding optical connectors in which a plurality of holders are disposed in a stack. Each holder has optical connectors in mounting positions at a front end region of the holder and rear ends of these connectors are connected to optical fibers disposed in coils in a storage facility. Provision is made for holding the holders in the stack, this provision comprising two rigid members one on each side of the stack the rigid members being urged against the stack. The optical fibers in the storage facilities of all of the holders may be provided by a single or optical cable.

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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

  • Filed November 8, 1990 and granted March 31, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 8, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 8, 1990
GrantedMarch 31, 1998
Term endedNovember 8, 2010
Patent numberCA 2029592 C
Classification (IPC)G02B6/44

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedNov 8, 1990Patent grantedMarch 31, 1998Term endedNov 8, 2010

Sources & verification

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