Industrial two-layer fabric
CA 2516882 C · Owner: Nippon Filcon Co. Ltd. · Inventors: Takimoto, Keiichi; Ueda, Ikuo; Nagura, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An industrial two-layer fabric which comprises eight pairs of warps obtained by arranging eight upper surface side warps and eight lower surface side warps and a plurality of upper surface side wefts and lower surface side wefts and has an upper surface side layer and a lower surface side layer bound with warp-direction yarns. In the lower surface side layer warps are formed by successively arranging a design in which one warp passes over four successive lower surface side wefts passes under one lower surface side weft passes over two lower surface side wefts and passes under one lower surface side weft while shifting the design by three lower surface side wefts and two adjacent lower …
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 August 23, 2005 and granted February 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 23, 2025.
- 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.