Trailer light system
CA 2084385 A1 · Owner: Ruppel, Raymond A. · Inventors: Ruppel, Raymond A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle lighting system for use with trucks or trailers which will assist a driver in observing conditions at the rear of the vehicle at night when backing, turning corners and the like by illuminating the rear wheels and areas adjacent the rear wheels of the vehicle. The lighting system includes a light unit mounted under a vehicle body above but forwardly and/or rearwardly of the rear wheels with the light unit being constructed in such a manner to direct a light beam downwardly and outwardly in relation to the vehicle body and wheels to illuminate ground surface areas and obstacles that may exist up to a certain height to enable a driver to more safely operate a vehicle at night and …
Read the whole patent
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 December 2, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.