Valve assemblies
CA 1210664 A · Owner: Heneker, Stephen R. · Inventors: Reeve, Leslie T. (Deceased); Heneker, Stephen R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A domestic pillar faucet has a main flow path and a control flow path, both connected to the same inlet. A diaphragm supports a valve member for displacement between a position in which the valve member is held open and a position in which the valve member closes the main flow path. Displacement of the diaphragm is controlled by fluid from the control flow path. The control flow path includes an inlet valve and an outlet valve and the section of the control flow path between the valves communicates with the diaphragm. By opening the outlet valve, the force on the diaphragm is reduced and the valve member will open. By closing the outlet valve and opening the inlet valve, the force on 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
- Granted September 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 2003.
- 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.