Needleless injector
CA 2021566 C · Owner: Idee International R & D Inc. · Inventors: Lindmayer, Istvan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In general, needleless injectors for use with disposable syringes are intended for single injections or are unduly complicated. A simple, multi-dose needleless injector includes a cylindrical casing with a closed front end and an open rear end, a sleeve slidably mounted on the closed front end of the casing, a barrel extending through the outer free end of the sleeve into the front end of the casing for receiving a tubular syringe body, a cap for releasably retaining the syringe in the barrel, a tubular bushing slidable in the casing for movement between a cocked and a discharge position, a latch for releasably retaining the bushing in the cocked position, a plunger extending through the …
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 July 19, 1990 and granted October 15, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 19, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 19, 2012.
- 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.