Outside rear-view mirror for vehicle
CA 2185694 C · Owner: Li, Shiqing · Inventors: Li, Shiqing
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rear-view mirror for vehicle is disclosed. The convex of the mirror is composed of differential surfaces that are smoothly and joined with each other with, continuously varying average curvature. The average curvature increase gradually, along the longitudinal direction from top to bottom of the mirror and along the, horizontal direction away from the body of the vehicle. Furthermore the , mirror in, accordance with the present invention provides a wider viewing around both sides and, in rear of the vehicle without blind spots and a clear image with little distortion that is, visually acceptable to a driver.
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 March 21, 1995 and granted January 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 21, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 2017.
- 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.