Apparatus for indicating driving status of a vehicle
CA 2124269 C · Owner: Yeh, A-Chien · Inventors: Yeh, A-Chien
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for indicating driving status of a vehicle includes a first light with a first color a second light, with second color, and a third light with a third color. The first light is turned on to emit the first color light when a driver of the vehicle is stepping an accelerator pedal of the vehicle. The second light is turned on to emit the second color light when the driver of the vehicle is stepping a brake pedal of the vehicle. The third light is turned on to emit the third color light when the driver is neither stepping the accelerator nor stepping the brake pedal.
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 May 25, 1994 and granted October 7, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 25, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 2016.
- 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.