A syringe or ampoule sealing device
CA 2254686 C · Owner: Arzneimittel Gmbh Apotheker Vetter & Co. Ravensburg · Inventors: Vetter, Helmut; Otto, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The more particularly pre-filled syringe or ampoule is intended for medical purposes and displays a syringe barrel and as required a syringe plunger that can be moved by means of a plunger actuating rod. On the end of the syringe barrel where the cannula is inserted a cover piece is axially fitted so that it enclasps the end of the syringe barrel in which the cannula is inserted. As well a sealing element is provided, which is interposed between the face of the syringe barrel and the cover piece and whose face on the one side abuts the syringe barrel and on the other side the inner face of the cover piece. The cover piece is at the same time provided with a central recess for penetration by …
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 19, 1998 and granted October 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 19, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2020.
- 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.