Embossed nonwoven fabric
CA 2583814 C · Owner: Brown, Lawrence M. · Inventors: Brown, Lawrence M.; Skoog, Henry; Thomaschefsky, Craig Farrell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A three-dimensional hydraulically entangled nonwoven composite structure made of nonwoven fibrous web and a fibrous material integrated in the nonwoven fibrous web by hydraulic entanglement is disclosed. The nonwoven composite structure has a greater ability to maintain an embossed pattern when wet and has the ability for the structure to recover after it has been compressed to , a greater degree than previously found. Also disclosed is a method of making an embossed hydraulically entangled nonwoven composite fabric.
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 September 28, 2005 and granted February 11, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 28, 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.