Water flow-driven rotary and vibrational cleaning brush
CA 2383573 A1 · Owner: Chih, Gordon · Inventors: Chih, Gordon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Water flow-driven rotary and vibrational cleaning brush including. a base seat, a water wheel, a brush seat and a transmission unit. The base seat is a receptacle, having an opening facing downward. An outer and an inner faces of the base seat, are respectively formed with a fluid inlet and a nozzle. The water wheel is disposed, in the base seat and rotatable about a shaft rod. The water wheel is impacted and, rotated by the fluid injected by the nozzle. The brush seat is positioned under the, base seat. A brush section is disposed under the brush seat. The transmission unit, is disposed between the brush seat and the water wheel and includes a transmissions section connected with …
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 April 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 26, 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.