Multipurpose optical signalling device, particularly for road emergency in low visibility conditions
CA 2568830 C · Owner: Astron Fiamm Safety S.P.A. · Inventors: Dolcetta, Alessandro; Filosofo, Alberto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-purpose visual signaling device particularly for road emergency , warning and in low visibility conditions comprises light-emitting means (3) , for generating a light beam (4) and means (5) for supplying power to lightemitting means (3). The light-emitting means (3) include at least one laser projector (6) adapted to project images (7) over a substantially flat surface for such images to be visible from a relatively long distance. The lightemitting means (3) and the power supply means (5) are mounted to a stationary support structure (2) which may include a front warning triangle-defining portion (12). The laser projector (6) comprises at least one laser diode (8) and optical …
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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 June 6, 2005 and granted March 11, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 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.