Cooling device for compact pumping and filtration assembly for swimming pool
CA 2278222 A1 · Owner: Desjoyaux, Jean Louis · Inventors: Desjoyaux, Jean Louis; Jandros, Catherine; Desjoyaux, Pierre Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The device comprises two distinct sections (A) and (B) one (A) of which is immersed in the water and receives in particular, at least one filtering element (1) at least one water delivery nozzle (2) as well as connecting pipes (4) leading to the second section (B) which is situated outside the pool and receives at least one suction and delivery pump (3). According to the invention the two sections (A) and (B) are separated so as to be impervious or nearly impervious to one another; section (B) which receives the pump, is connected to at least one third section (C). Each of the sections (A) (B) (C) constitutes a cell said sections being protected by a cover (7). The cover (7) or cover …
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 29, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 29, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 29, 2020.
- 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.