Method for individualising security documents and corresponding security document
CA 2461277 A1 · Owner: Bochmann, Werner · Inventors: Bauer, Michael; Bochmann, Werner
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 method for individualising security documents. According to the inventive method, a printed image (1) which is identical for a group of security documents, is high-quality in terms of security and is , neutral in terms of use, is overprinted with a second printed image individualising the security document (2). The printing ink of the second printed image (2) is repelled by the printing ink of the first printed image (1). The printing ink of the second printed image thus lodges only in the regions of the first printed image in which there is no printing ink of the first printed image. Preferably, the first printed image is produced according to the line …
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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 September 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 19, 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.