A glazing material for use with a signal detecting or signal transmitting device
CA 2593379 C · Owner: Lyon, Michael · Inventors: Lyon, Michael; Greenall, Michael Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laser can be used to modify a glazing (100 300) so as to improve its , suitability for use with a signal-receiving device (350) or a signaltransmitting device (350). This is done by using the laser to provide a region of reduced opacity (110, 202, 340) to the signal within the glazing. Preferably, the laser is be used to reduce the opacity of a selected region (340) of a tinted interlayer in situ. The glazing may be for a vehicle especially an automotive vehicle.
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 January 6, 2006 and granted August 12, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 6, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.