Surface cleaning unit for a body of liquid
CA 1264209 C · Owner: Pool-Joy (Proprietary) Limited · Inventors: Brooks, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surface unit for an apparatus for cleaning a body of liquid includes a float to render the unit buoyant in the liquid. There is a body for carrying a float. A liquid inlet is connectable to a source of pressurized liquid. There is a liquid outlet and a displacing jet on the body and communicating with said inlet to receive pressurized liquid therefrom and to discharge the liquid in a predetermined direction, to thereby cause displacement of the surface unit in the liquid. The displacing jet is asymmetrical with respect to a vertical axis through the body. There is a vibrator to vibrate the body. The vibrator is operable by the pressurized liquid.
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 January 9, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 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.