Security document with marker
CA 2481676 C · Owner: Rancien, Sandrine · Inventors: Rancien, Sandrine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a self-adhesive or heat-sealable security document (V) which may be placed on an article (P), characterised in that the above comprises at least one support (1) which may be printed on the rear face thereof the front face of said support being treated with a layer of self-adhesive or thermo-sealing glue and at least one marker (3) emitting a signal which is characteristic thereof such that after sticking said document (V) to the article (P) by means of said layer of glue and on removing said document (V) at least a part of said marker detaches itself from the support (1). The invention further relates to a method for authentication of the article.
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 April 3, 2003 and granted June 19, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 3, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2025.
- 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.