Water-micro-controller
CA 1248202 A · Owner: Wang, Po-Hsiung · Inventors: Wang, Po-Hsiung
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a controller for water discharge and particularly to one which comprises a front cover portion provided with control keys and liquid crystal display which are arranged to cooperate with a control circuit received in the front cover portion to preset the discharging period according to the user's requirement. A rear cover portion furnished with a control valve mechanism is arranged to be secured to the front cover portion. A motor associated with a gear sets and a special designed cam is disposed in the rear cover portion. A post is located in the control valve mechanism and can be actuated by the cam to make the control valve mechanism either in its open state or …
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
- Granted January 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2006.
- 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.