Valve seats and ceramic control valve of faucet
CA 2405672 A1 · Owner: Hain Yo Enterprises Co. Ltd. · Inventors: Chang, Chia-Bo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A faucet comprises two valve seats back-to-back and a ceramic, control valve assembled with an assembly slot of the two valve seats. The assembly slot is provided on a central horizontal line thereof with a cold water guide hole arid a hot water guide hole and on a central, vertical line thereof with an upper discharging hole and a lower discharging hole. A base of the ceramic control valve is provided on a central horizontal line thereof with a cold water admission hole and a, hot water admission hole. The base is further provided with a water discharging hole which is located across a central vertical line of the base such that the water discharging hole is opposite in location to 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 September 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2024.
- 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.