Electrochromic mirror
CA 1263466 C · Owner: Donnelly Corporation · Inventors: Lynam, Niall R.; Seah, Kiok Kee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification discloses an electrochromic mirror including a glass substrate, an anodic nickel hydroxide layer 300 to 600 angstroms thick a solid, electrolyte layer 1000 to 1500 angstroms thick a cathodic, tungsten oxide layer 600 to 1200 angstroms thick and a layer of reflective/conductive material.
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
- Granted November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
- 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.