Pressure-fed vacuum swimming pool cleaning robot and method
CA 2416872 A1 · Owner: Idoine, Marc · Inventors: Habif, Jacques-Alexandre; Idoine, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns in particular an automatic swimming pool cleaning robot comprising a body (1), a suction head (2) an unstable valve (3) a suction pipe (4) whereof an upper end (42) is subjected to a depression which activates the unstable valve (3) and which subsequently actuates said robot. The inventive robot comprises a recuperating filter (6) connected to the upper end (42) of the pipe (4) and a Venturi injector (5) installed in the pipe and constituting itself a vacuum source. The inventive robot combines the advantages of vacuum-fed robots and pressure-fed robots.
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
- Filed June 28, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2023.
- 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.