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Expired Canadian patentCanada

Tap connector

CA 1264829 C · Owner: Crosby, Nobel Wellington · Inventors: Crosby, Nobel Wellington

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 tap connector for establishing and maintaining an electrical connection between electrical conductors. The connector has a body whereof the sides define a channel which slidably receives a laterally expandible wedge assembly. In use, the conductors are rigidly held between the body and the wedge assembly. To produce the required expansion the wedge, assembly is comprised of at least one driven block and at least one driving block which mate along respective opposed ramp surfaces. The ramp surfaces are inclined to the longitudinal axis of the channel. Relative longitudinal movement of the blocks causes the wedge assembly to expand and shrink as required.

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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 January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
  • 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 10, 1987
GrantedJanuary 23, 1990
Term endedJanuary 23, 2007
Patent numberCA 1264829 C
Classification (IPC)H01R11/01 +1 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedFeb 10, 1987Patent grantedJan 23, 1990Term endedJan 23, 2007

Sources & verification

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