Closure for vial
CA 2354874 A1 · Owner: Sudo, Morihiro · Inventors: Sudo, Morihiro; Asai, Kouichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A closure for a vial includes a head portion and a, stem portion which projects from a lower surface of the head portion, the stem portion being inserted in an opening of a vial; wherein the stem portion is provided with a small diameter portion and a seal portion, in that order from the lower surface the head portion, the diameter of the small diameter portion being smaller than the diameter of the seal portion. The entirety of the small diameter portion and the seal portion are substantially uniformly fitted in the opening of the vial.
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 August 8, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2023.
- 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.