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Expired Canadian patentCanada

Rematable optical splice utilizing rods

CA 1298504 C · Owner: Knecht, Dennis M. · Inventors: Dean, David L.; Knecht, Dennis M.

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 first embodiment of an optical splice having a frame with a channel; two rods each having a resilient exterior surface disposed in the channel; and a lid adapted to be received on the frame over the channel, the lid having a resilient surface adapted to allow compression of optical fibers placed end to end for splicing between the rods by the lid and the rods. The frame and lid are placed within a tubular housing and a tubular sleeve which is attached at the ends following insertion of the optical fibers. An additional embodiment of an optical splice comprises a first tube, a ferrule and an optical fiber the optical, fiber having first and second portions the optical fiber first portion, …

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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 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 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.
FiledNovember 23, 1987
GrantedApril 7, 1992
Term endedApril 7, 2009
Patent numberCA 1298504 C
Classification (IPC)G02B6/38

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 23, 1987Patent grantedApril 7, 1992Term endedApril 7, 2009

Sources & verification

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