Calendered industrial process fabric
CA 2511605 C · Owner: Rougvie, David · Inventors: Fernandes, Ademar Lippi; Denton, Jeffrey Scott; Rougvie, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing a smoothed and durable industrial process fabric with a , smoother, more planar, permanently deformed surface that is created without the , removal, such as by grinding or sanding of any material from the surface , during manufacture. The fabric may be used as a papermaker's fabric other industrial , process , and/or engineered fabric. The fabric is processed using a device comprising at least , two smooth rolls which form a pressure nip such as a calender, such that at , least some of the fabric components are permanently deformed by the application of gap-based calendering to the fabric with the rolls being set to a pre-selected gap width. , Preferably, at …
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 12, 2003 and granted October 1, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 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.