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Expired Canadian patentCanada

Channel raceway for sign box

CA 1107500 A · Owner: Stilling, Johann · Inventors: Stilling, Johann

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

An electrical raceway for installation in an illuminated sign box of the type having a translucent sign panel is in the form of an elongated and hollow structure which provides reinforcement for such a sign box and a housing for electrical conductors. Such raceway has a cover having two series of knock-out discs for mounting both left-handed and right-handed lighting fixture receptacles and has a channel having bottom and side walls with reinforcement ribs in the side walls which cooperate with suitable complimentary ribs in the side flanges of the cover to provide strength, as well as a snap-on fastening for the cover. When such raceways are installed in a sign box, the lighting fixture …

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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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 30, 1980
GrantedAugust 25, 1981
Term endedAugust 25, 1998
Patent numberCA 1107500 A
Classification (IPC)G09F13/26

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedJune 30, 1980Patent grantedAug 25, 1981Term endedAug 25, 1998

Sources & verification

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