Apparatus for washing surfaces
CA 1270356 C · Owner: G.F. S.R.L. · Inventors: Ferrari, Loris; Gaiti, Giorgio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present disclosure describes an apparatus for washing surfaces. The apparatus comprises a panshaped casing provided with a tangential water nozzle a coaxial bladed impeller, and two concentric brushes of which the outer one is fixed and the other rotates the impeller being mounted idly on the shaft of the rotating brush and being of cup shape to form a seat which faces the roof of the casing and contains an idle double reduction gear in the form of two ring gears of different diameter which engage with toothing provided on the hub of the impeller and with a gear wheel keyed on to the shaft of the rotating brush.
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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
- 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.