Color sensing for laser decoating
CA 2551647 C · Owner: General Lasertronics Corporation · Inventors: Wool, Mitchell R.; Thomas, James W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating removal apparatus utilizing a common optics path to provide laser pulses to a coated surface (50) and to direct a light illumination (34) reflected from the coated surface to a photosensitive detector and analyzer. The apparatus is an integrated device including a laser source (12) a beam , splitter (14), scanning optics (16) a waste removal apparatus (26), one or more light illuminators (18), a photosensitive detector (20) a comparator , (22), and a control logic circuit (24). Alternatively the laser source is , external to the integrated device and a fiber optic cable is used to connect the laser source to the integrated device.
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, 2005 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 6, 2025.
- 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.