A method for cleaning flush toilet by microorganisms and cleaning agent including microorganisms
CA 2234180 A1 · Owner: Kabushiki-Kaisha Musshu · Inventors: Yamamoto, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for cleaning easily and safely a water delivering line of a flushing toilet through a supply tank 1 , an inflow pipe 2, a bowl 3, and an outflow pipe 4 into a cesspit 5 without producing any toxic gas, and microorganic cleaner for effecting such a cleaning are provided. In accordance with the present invention microorganisms are deposited into the supply tank 1 to catabolize and digest the organic matter as a causative agent of malodor; the flush toilet is used to deliver the flushing water from the tank together with the microorganisms presented therein through said water delivering line; and organic matter adhered to the inside of the water delivering line is also catabolized and …
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 April 7, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 7, 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.