Rear vehicle courtesy bright light dimming signal system
CA 2060093 C · Owner: Adell, Robert · Inventors: Adell, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A motor vehicle signalling system for requesting a driver of a vehicle behind another vehicle to dim his bright lights. The signalling system is low in cost improves vehicle, safety, promotes driver courtesy and is adaptable to all motor vehicle styles and models. The signalling system comprises a flashing colored light mounted on the rear of the signalling vehicle and a control circuit for operating the flashing light. The signalling light is mounted in a common housing with an "eye level" stop light on a rear package tray and when operated produces a high intensity flashing beam of colored light to attract the attention of the driver of the rear vehicle. The control system has three …
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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 January 27, 1992 and granted July 7, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 27, 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.