Automatic swimming pool cleaner
CA 1061062 A · Owner: Laby, Jordan M. · Inventors: Laby, Jordan M.; Henkin, Melvyn L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic swimming pool cleaner comprised of a car adapted to travel underwater along a random path on the pool vessel surface for dislodging debris therefrom. The car wheels are driven by a water powered turbine to propel the car in a forward direction along the vessel surface. In order to prevent the car from being driven into a position as for, example against a vertical wall from which it cannot emerge, a wheel, geometry is employed which upon contact, develops a horizontal force component parallel to the vertical wall to thus enable the car to spin, off. Alternatively or in combination, a water flow produced reaction force can produce a torque to turn the car with respect to the …
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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
- 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.