Injection syringe
CA 2063840 A1 · Owner: Kashlykov, Marat Maratovich · Inventors: Kashlykov, Marat Maratovich; Sokolov, Andrej Nikolaevich; Masurik, Sergej Mikhailovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CAAA-41961.4, Injection syringe, Abstract The injection syringe which is particularly used for medical purposes comprises a syringe body l, a piston 10 which is disposed in the syringe body l for displacement therein and an injection needle 6. In order to ensure that an active ingredient and a diluent can be drawn up in an exact amount the, piston 10 comprises at least two piston elements 2 3 which, are displaceable in relation to each other along the longitudinal axis of the syringe body l. (Fig. 3)
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 March 24, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2014.
- 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.