Cross-current swimming and filtering device namely for swimming pools
CA 2060359 A1 · Owner: Piscines Desjoyaux S.A. · Inventors: Desjoyaux, Pierre-Louis; Desjoyaux, Catherine, Epouse Jandros; Desjoyaux, Jean-Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Device for cross-current swimming and filtering namely for swimming pools, mounted in a compact block (1) with one part (1a) immersed in the water and one part (1b) located outside of the pool, the part (1a) immersed in the water taking filtering means (5), wherein the part outside of the pool is fitted with a two-speed pump (2), connected to any control means and connected to suction (3) and delivery (4) pipes arranged, in combination with the filtering means to provide, at will and according to the speed of the said pump the, circulation of the water through filtering means (5) with or , without cross-current swimming.
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 January 30, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 30, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 30, 2014.
- 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.