Brushing and washing machine
CA 1282301 C · Owner: Crowhurst, Arthur G. · Inventors: Crowhurst, Arthur G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mobile washing machine for washing vertical surfaces the machine, comprising a brush rotatable about a vertical axis mounted on a framework adapted to be carried on the forks of a fork lift truck the framework carries a tank for the washing fluid and a pump to pump the fluid to a series of spray nozzles. The roller is driven by a hydraulic motor supplied with hydraulic fluid from the hydraulic system on the fork lift truck, the roller drawing the pump for the washing fluid through step up gearing.
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 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2008.
- 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.