Bi-compartmentalized container for storing and dispensing material
CA 2074785 C · Owner: Duceppe, Antoine · Inventors: Duceppe, Antoine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container is provided for storing and dispensing materials such as liquids or powders, having a first compartment having a first end and side walls and a, second compartment disposed within the first end of the first compartment such that a gap exists between an outer wall of the second compartment and the side wall portion of the first compartment, with the gap being wide enough for material to pass therethrough. The container can be squeezed, inverted or shaken to force an amount of material from the first compartment and into the second compartment through the gap. The second compartment may be friction fit or snap fit within the first end of the first compartment, while retaining the …
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 28, 1992 and granted December 6, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 28, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 28, 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.