Packaging method for roll products and cylinder
CA 2484541 C · Owner: Jeannot, Sebastien · Inventors: Jeannot, Sebastien; Basler, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for manufacturing and packaging rolls of tissue paper comprising: embossing at least one sheet of paper in an embossing unit that contains an engraved embossing cylinder; rolling the sheet into logs (2); cutting the logs into individual rolls (22); and sending the rolls to a packaging unit wherein said embossing cylinder includes at least a first zone (Z1) with a first embossing motif and a second zone (Z2) with a second embossing motif that is different from the first embossing motif whereby a first portion of said individual rolls is embossed according to the first embossing motif and a second portion of said individual rolls is embossed according to the second embossing motif. …
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 3, 2004 and granted September 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 3, 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.