Food container having substrate impregnated with particulate material
CA 2348903 A1 · Owner: The Procter & Gamble Company · Inventors: Toussant, John William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A food container (10) having a first user-facing surface (11) and an opposed second surface (12). The food container (10) comprises a substrate (30). The substrate has particulate material juxtaposed with the user facing surface. Furthermore, a cut-resistant external facing (32) may be juxtaposed with and preferably coincident the user facing surface (11). The external facing (32) is disposed on the substrate (30). In this configuration both the external , facing (32) and the substrate (30) comprise particulate material. Optionally an intermediate facing (40) may be disposed between the external facing (32) and the substrate (30). The intermediate facing (40) may also comprise …
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 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 3, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 3, 2021.
- 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.