Toilet tank-actuated drain trap primer assembly
CA 1307992 C · Owner: C.H. Perrot, Inc. · Inventors: Perrott, Charles H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A Walker-type, toilet tank-activated drain trap primer, assembly has a flexible conduit interconnecting the afterfill pipe and the trap priming pipe. Valve means on the flexible conduit restrict the flow therein to a predetermined minimum. Check valve means in the conduit prevent backflow of the trap contents in the event of loss of pressure in the pressurized house line supplying the toilet.
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 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 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.