Container units for drugs, drug containers, and rubber closures
CA 2518987 C · Owner: Sudo, Masamichi · Inventors: Sudo, Masamichi; Sudo, Morihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to container units for drugs each of which is composed in combination of a container and a rubber closure having a leg portion and adapted to seal the container, drug containers, and rubber closures. The present invention provides a vial-type container unit for a drug, a drug container and a rubber closure each of which , has a shape such that, when a drug solution contained in the container is collected by a syringe the amount of the , drug solution that remains in the container can be reduced without impairment of its sealing performance.
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 9, 2005 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 9, 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.