Swimming pool cleaner
CA 1254105 A · Owner: Baracuda International, Inc. · Inventors: Stoltz, Andries J.; Kallenbach, Dieter H.F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A swimming pool cleaner of the type wherein an interruption of the flow of water through the cleaner is utilized to provide a propulsive force to cause the cleaner to move automatically across the surface to be cleaned. The cleaner device is characterized in that the flow path through the cleaner includes an automatic valve assembly which comprises a body having a fluid inlet and a fluid outlet. A flow passage is provided between the inlet and the outlet and is at least partly defined by a tubular member which is transversely contractable and expansible over at least a part of its length to cause the interruption of the flow of water through the cleaner in use.
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 May 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 2006.
- 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.