Syringe designed to be pre-filled then sterilized by steam autoclaving
CA 2619892 C · Owner: Laboratoire Aguettant · Inventors: Frezza, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a syringe (1) comprising: a body including a cylindrical side wall (3) having an open upstream end with an inner annular rim (9) and a downstream end closed by a transverse wall provided with an orifice; a shaft (10) equipped with a plunger (11) having at least two annular sealing lips (12 13, 14) between which is defined at least one annular chamber (16 17). The shaft, which can slide inside the body defines inside the body an inner chamber designed to be at least partly filled with a content (18). Delivery passages (21) provided inside the body are configured to communicate said annular chamber of the plunger with the outside of the body or with the inner chamber of …
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 30, 2006 and granted May 27, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 30, 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.