Method for feeding fish
CA 2126406 A1 · Owner: Robinson, M. Austin · Inventors: Robinson, M. Austin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a method for feeding fish which employs a blower arrangement over a surface of water. The apparatus employed to effect the projection of the feed includes a nozzle and blower arrangement for generating a high speed stream into which feed is introduced. The feed introduced into the air stream is effectively carried by the air stream and discharged through an air nozzle or discharge tube associated with the blower. At this point of feed entry to the air stream the, nozzle includes a venturi tube which creates a vacuum in the nozzle assisting in the entry of feed into the air stream from the auger tube, or other mechanism, delivering feed from a feed bin. In order to further …
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 21, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 21, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 2016.
- 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.