Tobacco pouch product
CA 2606527 C · Owner: Cochran, Timothy D. · Inventors: Winterson, Warren D.; Cochran, Timothy D.; Holland, Tommy C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pouched tobacco product (100) includes a lined pouch material of a web (130) and a water-soluble liner (120) adjacent the web and a tobacco component (110) contained within the lined pouch material The water- soluble liner is interposed between the web and the tobacco component. The liner preferably reduces staining of the web by the tobacco component Additionally, the liner may include a flavorant .
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 April 28, 2006 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2026.
- 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.