Device and method of optical signaling for road or traffic lanes, specifically in low visibility conditions
CA 2584245 C · Owner: Dussert-Vidalet, Bruno · Inventors: Dussert-Vidalet, Bruno; Bleiner, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical signaling apparatus for use in highways or roadways (2) particularly in low visibility conditions wherein , a roadway (2) comprises at least one traffic bearing surface (S) with at least one edgeline (3). The apparatus comprises light-emitting means (4) for emitting at least one laser beam (5) and support means (6) designed to be arranged along the roadway (2) for supporting the light-emitting means (4). The apparatus also includes optical means (7) arranged along the roadway (2) for interacting with the beam (5) in such a manner as to selectively conform and project it either in a first direction (D1) which is incident on at least one edgeline (3) to interact therewith, …
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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
- Filed October 5, 2005 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 5, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.