Bar-like cosmetic delivering container
CA 2551736 C · Owner: Murata, Yoshiyuki · Inventors: Murata, Yoshiyuki; Harano, Fumiki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a container for feeding a stick-type cosmetic material. The container extends and retracts the cosmetic material by rotating the cylindrical holding member and the outer cylinder relative to each other. In the container, a hermetically-covering cylindrical member is provided to the cylindrical cover to thereby seal the inside of the container. The container is configured prevents negative pressure from arising only in the cylindrical holding member when the cylindrical cover is removed to release the hermetically-covering cylindrical member, thus preventing lipstick from being lifted and suppressing undesirable movement of lipstick. The cylindrical cover …
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 February 17, 2005 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 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.