Automatic injection device for two-chamber ampoules
CA 2623152 C · Owner: Bayer Intellectual Property Gmbh · Inventors: Weber, Wilfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved injection device for holding and activating a two-chamber ampulla has components , whose relative movement causes the pistons of the two-chamber ampulla to be moved in order to , mix the substances is disclosed. For this purpose a receptacle into which the , two-chamber ampulla can be inserted and secured is held in a housing and the receptacle can be displaced by , means of a carriage. A tappet which acts on the pistons is movably held in the receptacle. A , traction cable which is deflected by means of a roller which is mounted on the carriage and one , of whose ends is connected to the receptacle and the other end of which is connected to a tension , spring which is …
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 31, 2006 and granted March 17, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 31, 2026.
- 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.