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Expired Canadian patentCanada

Trailer light connection systems

CA 1331477 C · Owner: Hopkins Manufacturing Corporation · Inventors: Hopkins, Ross Eugene; Tan, P. David

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 trailer light connection system includes T-shape connectors principally for truck lighting systems respectively having three terminals including a modularized tap plug split wire con-, nectors principally for automobile lighting systems respectively including a modularized plug and trailer wiring harnesses respectively used with either the T-shape connector or the split wire connector and having a modularized plug interconnecting therewith. By standardizing the system components and modularizing the plug connections, the trailer lighting system of the present invention reduces the number of stock keeping units required while simplifying system installation.

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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 16, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 16, 2011.
  • 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 2, 1988
GrantedAugust 16, 1994
Term endedAugust 16, 2011
Patent numberCA 1331477 C
Classification (IPC)H01R33/74 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedNov 2, 1988Patent grantedAug 16, 1994Term endedAug 16, 2011

Sources & verification

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