Control stop for flushing system
CA 1279552 C · Owner: Johnson, Dwight N. · Inventors: Johnson, Dwight N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A control stop for a flushing system including a metering flush valve connected to supply liquid to a toilet fixture. The control stop is in series flow relation between a source of pressurized liquid and the metering flush valve and serves the several functions of controlling flow to the metering flush valve for reducing noise and maintaining desired flushing action, preventing reverse flow and trapping pressure at the metering flush valve in the event of loss of inlet pressure, and shutting off the flow path for installation, service or replacement of the metering flush valve. The control stop includes a regulator having a valving portion engageable with a valve …
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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 January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.