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Expired Canadian patentCanada

Modular electrical conductor system

CA 1261454 A · Owner: National Service Industries, Inc. · Inventors: Booty, Donald J. Jr.; Booty, Donald J. Sr.

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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 modular electrical conductor system for electrical wiring including one or more discrete elongated generally rectilinear track or carrier members and a plurality of modular electrical elements which are selectively connectable with the carrier members to establish a selected electrical circuit the, various carrier members and modular elements having preassembled electrical conductors carried therein such that ends of the conductors are adapted for mating electrical connection while being continually shielded from contact by an installer. The modular electrical elements include modular switch and/or receptacle elements having internal switch means operative to enable selective connection …

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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 29, 1985
GrantedSeptember 26, 1989
Term endedSeptember 26, 2006
Patent numberCA 1261454 A
Classification (IPC)H02G3/00 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedOct 29, 1985Patent grantedSep 26, 1989Term endedSep 26, 2006

Sources & verification

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