Time control device for water conditioning apparatus
CA 1302204 C · Owner: Nishiyama, Masanobu · Inventors: Nishiyama, Masanobu; Abe, Hitoshi; Ochi, Yasuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A time control device provided in a water conditioning apparatus, and including a control mechanism, a main shaft, a main wheel rotating about the axis of the main shaft at a constant speed and a, skipper wheel rotating about the axis of the maim shaft and rotated by the main wheel through a predetermined angle. The control mechanism controls A flow of liquid in the apparatus in accordance with a rotation of the main shaft, to carry out a liquid treatment. A pin engagable with a projection cam formed on a housing is provided at the main wheel to rotate the skipper wheel through the predetermined angle, and a finger member is provided on the skipper wheel to transmit the predetermined angle …
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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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- 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.