A dispensing device for flowing substances and an arrangement comprising such a device
CA 2111311 A1 · Owner: Niss, Jan-Anders · Inventors: Niss, Jan-Anders
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dispensing device for flowing substances comprises a tube (19) of flexible material adapted to receive the substance in question from the conduit (3) and a valve arrangement (20) for regulating flow of substance from tube out through a discharge opening (21). The valve arrangement comprises two or more valve means (23) which are adapted to each other so as to in a first relative position shut the flow past the valve means and in a second relative position open for such a flow. A cooling device is arranged along at least a part of the conduit (3) for cooling the conduit and by that a substance located therein, so that in particular in the case of food substances a degradation thereof is …
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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 May 19, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 19, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 19, 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.