Micro-optic security and image presentation system
CA 2812971 C · Owner: Visual Physics, Llc · Inventors: Hurt, Mark J.; Steenblik, Richard A.; Jordan, Gregory R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A film material utilizing a regular two-dimensional array of non-cylindrical lenses to enlarge micro-images called icons, to form a synthetically magnified image through the united performance of a multiplicity of individual lens/icon image systems. The synthetic magnification micro-optic system includes one or more optical spacers a micro- image formed of a periodic planar array of a plurality of image icons having an axis of symmetry about at least one of its planar axes and positioned on or next to the optical spacer and a periodic planar array of image icon focusing elements.
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 November 22, 2004 and granted February 6, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 22, 2024.
- 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.