A device for use in connection with fishing
CA 2260043 A1 · Owner: Nymann, Egil · Inventors: Nymann, Egil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for use in connection with fishing comprising a container (1) , adapted for dispensing of odour agents under water said container containing , a piston device having portions (6 7) with two different diameters, whereby one end of the portion (7) having the largest diameter is situated in a drive chamber (B) having at least one aperture (4) for inlet of water axially outside of said portion (7), while one end of the portion (6) having the smallest diameter is situated in a chamber (A) containing the odour agent whereby the portion (7) having the largest diameter is able to force the portion (6) having the smallest diameter along the inner of the container (1) in order to force …
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 2, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 2, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 2019.
- 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.