Brush
CA 1186109 A · Owner: Sabco Limited · Inventors: Smyth, Donald N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A brush for cleaning and washing surfaces with a scrubbing action, the brush having bristles mounted on a body. The body houses a freely rotatable turbine wheel driven by a jet of water. The turbine wheel is eccentrically weighted so that as it rotates it imparts to the body of the brush and the bristles in a vibrating motion.
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 April 30, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2002.
- 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.