System for preventing toilet overflows
CA 2319370 A1 · Owner: Chapman, Peter · Inventors: Mankin, Howard; Kazemir, Steve; Pyner, Derek
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for preventing a toilet bowl from overflowing is disclosed. The system includes a sensor (14) mounted to the toilet bowl (12) at a location above a normal water level for the toilet bowl. The sensor is operative to sense the water level in the toilet bowl and generate a warning signal if the , level is above the normal level. The system further includes a valve (18) connected to the water conduit (56) feeding the toilet bowl the valve being , displaceable to respective open and closed positions. A drive assembly (20) is connected to the valve to drive the valve to the open and closed positions. The system still further includes a processor (16) electrically coupled with 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 December 31, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 31, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 31, 2020.
- 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.