Dual volume discharge outlet valve apparatus
CA 2384896 A1 · Owner: Khoo, Kah Hin · Inventors: Khoo, Kah Hin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dual volume discharge apparatus for selectively discharging a full flush or a half flush of liquid from a reservoir said discharge apparatus including: , actuator means (1) selectively moveable from a closed position to either a full flush position or a half flush position sealing means (11) moveable by , said actuator means (1) from a closed position to either a full flush position or a half flush position, said sealing means being biased toward said closed position when in said half flush position liquid outlet (17) which is sealed , by said sealing means (11) to prevent flow of liquid out of said reservoir when said sealing means (11) is in said closed position and which allows …
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 September 15, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 15, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 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.