High gain fluid control valve assembly
CA 2332223 C · Owner: Flow-Rite Controls, Ltd. · Inventors: Campau, Daniel N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The valve assembly of the present invention includes a body portion having one or more inlets and two aligned outlets. The outlets are located on opposing faces of the body portion one having a generally rigid valve seat defining a first valve outlet port and the other having a generally flexible valve seat defining a second valve outlet port. The valve assembly also employs a valve support assembly configured to move relative to the body portion generally along the axis of the aligned outlets. The support assembly has a flexible valve member at one end positioned inside the body portion and configured to engage the rigid valve seat to block flow through the first valve outlet port. The …
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 January 24, 2001 and granted December 9, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 24, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 24, 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.