Liquid injector system
CA 2482275 A1 · Owner: Kumar, Neilan Krishna · Inventors: Kumar, Neilan Krishna
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid injector system includes a liquid injector (10) comprising a container (11) for containing a concentrated liquid and having an opening (13) which is closed by a valve (23). The valve (23) is biased to a closed position by leaf springs (28) and is opened by engagement by a nozzle. Pressure is applied to the concentrated liquid by means of a manually operable piston (19) so that, when the valve (23) is in an open position at least some of the , concentrated liquid is dispensed under pressure from the container (11).
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 April 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 19, 2024.
- 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.