Syringe having tamper evidence features
CA 2012587 C · Owner: Gyure, Sandor · Inventors: Gyure, Sandor; Sweeney, Niall
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A syringe having tamper evidence features includes a barrel having a chamber for retaining fluid, an open proximal end, and a distal end having a passageway therethrough in fluid communication with the chamber. A needle shield having a longitudinal axis, a distal end and an open proximal end slidably engages the distal end of the barrel covering the passageway. The shield includes an outwardly projecting shield lug having a cam surface. A collar having an annular side wall an, open proximal end and a distal end having an aperture therethrough, is adjacent to the distal end of the barrel with the needle shield projecting distally through the aperture. The aperture is sized so that the …
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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 20, 1990 and granted February 8, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 20, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 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.