Methods for producing imaged coated articles by using magnetic pigments
CA 2444856 A1 · Owner: Flex Products, Inc. · Inventors: Coombs, Paul G.; Phillips, Roger W.; Markantes, Charles T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and devices for producing images on coated articles are provided. The methods generally comprise applying a layer of magnetizable pigment coating in liquid form on a substrate, with the magnetizable pigment coating containing a plurality of magnetic non-spherical particles or flakes. A magnetic field is then applied to selected regions of the pigment coating while the coating is in liquid form, with the magnetic field altering the orientation of selected magnetic particles or flakes. Finally, the pigment coating is solidified affixing the reoriented particles or flakes in a non-parallel position to the surface of the pigment coating to produce an image such as a three …
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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 April 2, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 2, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 2, 2024.
- 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.