Needleless hypodermic injection device with non-electric primer ignition means
CA 2514874 A1 · Owner: Haar, Hans-Peter · Inventors: Meacham, George Bevan Kirby; List, Hans; Fuerst, Otto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A single use needleless hypodermic injection device for injecting a liquid medication contained therein. The device includes pyrotechnical means for generating within the device a pressure necessary for injecting the medication. The device comprises impact-sensitive stab primer ignition means for igniting a propellant contained in the device. The stab primers ignite with less that (10) millijoules of mechanical energy enabling small, low cost , firing pin mechanisms contained within the device that may be economically discarded after a single use.
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 December 22, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2025.
- 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.