System and method for delivering a liquid composition inside a toilet bowl
CA 2388233 A1 · Owner: Deoflor S.P.A. · Inventors: Gazzaniga, Giancarlo; Guenzi, Gian Luca
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (1) for delivering a liquid composition (L) inside a toilet bowl (2) is described, which comprises: a) a container (3) of the active substance closed in a substantially air-tight manner and wherein said liquid composition (L) is subjected to a predetermined pressure; b) valve means (7) for delivering dosed amounts of said active substance comprising: a valve body (16) wherein a metering chamber (24) of the liquid composition (L) is defined; a shutter (23) displaceable in the metering chamber (24); an opening device (14) cooperating with the shutter (23) and being provided with deflecting , means (45) for directing part of the flushing water towards and into the metering …
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 July 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 14, 2022.
- 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.