Secure holographic images on cardboard
CA 2324068 A1 · Owner: Stepanek, Michael J. · Inventors: Stepanek, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cardboard support has an adhesive layer and a metallized holographic image wherein, the metallized holographic image includes at least two holograms such that , the first hologram is, visible only by non-coherent light and the second hologram is visible only by coherent light. The holographic images are formed on a photosensitive element on a polymeric support by, imaging steps, which include metallizing the holographic images and overcoating the, holographic images with an adhesive layer. Next the metallized holographic , images are transferred to the cardboard by laminating the adhesive layer to the cardboard at a predetermined, temperature and pressure and subsequently delaminating …
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 October 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 2022.
- 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.