Extruted fluted insert dispensing tube
CA 2247623 A1 · Owner: Pullin, David L. · Inventors: Braginetz, Paul A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An extruded, fluted, plastic tube is inserted through the neck of a container containing liquid. The free end of the tube is spaced from the bottom wall of the container while the, opposite end is frictionally held in the container neck portion. The side wall of the tube is provided with at least one flute formed by a longitudinal recess extending either the entire length of the tube or a portion of the length of the tube. During the filling of the container the tube functions as a fill, tube, and the f lute functions as an air vent. During the pouring of the liquid from the container, the tube functions as a dispensing tube, and the flute functions as a dispensing port to thereby provide a …
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 September 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 17, 2020.
- 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.