Fish breeding system with separate breeding and sedimentation tanks
CA 2075442 A1 · Owner: Desrosiers, Jean-Claude · Inventors: Brouillard, Michel; Gosselin, Christian; Desrosiers, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The system comprises breeding and sedimentation tanks both made of flexible material impervious to solid wastes. The fish breeding tank is lowered in a body of water and comprises a bottom outlet connected to an inlet of the sedimentation tank, also comprising an outlet. The sedimentation tank is immersed in the body of water beneath the breeding tank. Floatation members maintains an upper portion of the breeding tank above the level of water in the body, this upper breeding tank portion defining a top opening. Water is supplied to the breeding tank through the top opening to form a water head that causes a flow of water from the breeding tank to the sedimentation tank. Water is flowing …
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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 August 6, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 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.