Injection syringe
CA 1071052 A · Owner: Bunder Glas G.M.B.H. · Inventors: Hennings, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An injection syringe comprises a cylindrical barrel provided at its open rear end with an initially finger rest and at its forward end with an inserted or permanently fitted canule or with a conical fitting for the subsequent fixing of a canule, and a plunger which closes the open rear end of the barrel and which is slidably displaceable inside the barrel by a ram. The barrel of the syringe is formed at its forward end with a head of any desired kind and is provided at its open rear end either in its external or its internal cylindrical surface with one or more annular or similarly shaped recesses or grooves whereas the, peripheral inside or outside surface of the finger rest is formed with …
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
- Granted February 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 1997.
- 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.