Disposable injection device
CA 2425150 A1 · Owner: Roser, Bruce Joseph · Inventors: Roser, Bruce Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a hand-operated injector device for injecting parenteral medications consisting of a cap a plunger, a base, and a snap , means. The cap contains a hollow central finger which upon proper hand force moves toward a narrow plunger with an ability to slide into an annular wide plunger within an self-contained injection capsule. The movemnet of the cap drives the narrow plunger toward a narrow injection orifice at the bottom the capsule containing liquid medicament through which the medicament under high , pressure, forms a liquid jet through subcutaneous tissue of the patient. The injector may contain an external spring assisted holder or an internal spring …
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 August 14, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 14, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 2023.
- 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.