Feed tube assembly for a dispenser of potable liquid
CA 2089415 A1 · Owner: Rivard, Dennis Laurier · Inventors: Horinek, Ehreth; Proulx, Micheal Richard; Waechter, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A feed tube assembly for a dispenser of potable liquid is described. The dispenser has a base with an inverted seat adapted to receive a neck of an inverted liquid container. The seat has a fluid flow channel extending therethrough in which the feed tube is positioned. The feed tube assembly includes a feed tube having at least one radial fluid flow passage. A guard sleeve is telescopically positioned on the feed tube. The sleeve is axially movable along the feed tube between a closed position obstructing the at least one radial fluid flow passage and an open position spaced from the at least one radial fluid flow passage. A contact surface extends outwardly from the sleeve. When 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 February 12, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 12, 2015.
- 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.