Peristaltic fluid dispenser
CA 1306223 C · Owner: E.R. Squibb & Sons, Inc. · Inventors: Bush, Lee W.; Rauh, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A peristaltic apparatus for dispensing a fluid, which contains a mounting plate a container, support/anvil connected to the mounting plate a rigid, container for holding the fluid to be dispensed a, flexible dispensing tube which is connected to the bottom of the container and which contains a check valve, a housing which encloses the container support and dispensing tube and an actuator which integrally contains a flexible spring bar which exerts a peristaltic force on the flexible tube thereby forcing, fluid from the dispenser.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.