Disposable medicament injector
CA 1095799 A · Owner: Tischlinger, Edward A. · Inventors: Tischlinger, Edward A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable medicament injector having a cylindrical barrel closed at one end by a slidable plunger and at the other end by a diaphragm assembly including a flexible wall defining a medicament chamber between the plunger and flexible wall. A needle is positioned in spaced relation to the flexible wall whereby movement of the plunger will cause the medicament to flex the flexible wall toward the needle which will then pierce the wall to establish fluid communication between the medicament chamber and the area at the other end of the needle. A finger grip is retained on the plunger end of the glass barrel by the engagement of the inner and outer surfaces of the barrel by a pair of spaced …
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 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 17, 1998.
- 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.