Dosing apparatus used to pour a dose by tilting a container
CA 2495301 A1 · Owner: Pont Emballage · Inventors: Seris, Georges; Catteau, Frederic
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a dosing apparatus (7) consisting of: a buffer chamber (6) the upper part of which communicates with the main chamber (3) of the fluid or powder container (1); and a dosing chamber (2) comprising a passage which leads to the lower part of the aforementioned buffer chamber (6). According to the invention the container is tilted downwards such that the buffer chamber is filled at least partially and said container is then set upright such that the fluid or powder in the buffer chamber can flow into the dosing chamber. The invention is characterised in that the passage between the buffer chamber and the dosing chamber is a constricted channel (80) which forms an …
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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 August 8, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2025.
- 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.