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Expired Canadian patentCanada

Cable splicing device

CA 2213643 C · Owner: Toronto Electric Commissioners · Inventors: Bevis, Arthur; Butler, Rickey

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A connector system is provided for connecting conductors of high tension cables during splicing between cables. Each connector comprises lugs having ferrule portions which are crimped to the ends of conductors to be joined and part cylindrical lug portions which are bolted together through filler or connector plats to form a smoothly contoured connection free from edges or projections providing high electrical stress concentrations. The connector plates enable two connections to be joined in parallel to provide branch connections: a smoothly contoured lug adaptor replaces a fourth lug if only a single branch connection is to be made. Smoothly contoured and recessed nuts and bolt …

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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 February 23, 1996 and granted July 31, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 23, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 23, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 23, 1996
GrantedJuly 31, 2001
Term endedFebruary 23, 2016
Patent numberCA 2213643 C
Classification (IPC)H01R4/30 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedFeb 23, 1996Patent grantedJuly 31, 2001Term endedFeb 23, 2016

Sources & verification

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