Device for the treatment of flat materials
CA 2441975 C · Owner: Boegli, Charles · Inventors: Boegli, Charles
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 device for embossing and/or glazing films. Said device comprises at least one first and one second embossing roll through , which the flat material can be fed under pressure in order to create a , pattern. At least one additional embossing roll (4) is connected downstream of the second embossing roll (3), said additional embossing roll interacting with the first (2) or preceding (3) embossing roll. The patterned flat material (6) can be fed between these embossing rolls in order to be embossed again with , essentially the same pattern. In a simplified embodiment only a total of two , rolls (2, 4) is used. In order to achieve as precise an embossing as possible …
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 March 13, 2002 and granted January 4, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 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.