Back-fill syringe
CA 1289836 C · Owner: Prindle, Gordon E. · Inventors: Prindle, Gordon E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reusable syringe assembly (10) in combination with a disposable syringe assembly 11 is described. plunger llb of the disposable syringe assembly moves with a liquid (100) as a chamber (14) in the reusable syringe assembly is refilled, thereby eliminating a conventional vertical bottle connected to the reusable syringe assembly.
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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
- 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.