A system for rearing fish
CA 2492636 A1 · Owner: Viking Fish Farms Limited · Inventors: Macleod, Colin John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An onshore fish farming system comprises a holding tank means for intake of , sea-water to the holding tank and means for discharge of water from the holding tank to generate a flow of water through the tank in which the , discharge means comprises means for collection of waste material from the bottom of the tank and removing said waste material entrained in the discharge water. The holding tank is disposed with its major or longitudinal axis essentially parallel with the local shoreline the intake water being , abstracted relatively upstream and the discharge water being returned relatively downstream with respect to the or any ambient current along the shore.
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 July 31, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 31, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 31, 2025.
- 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.