Stoppered cask
CA 1292195 C · Owner: Schutz-Werke Gmbh & Co. Kg · Inventors: Schutz, Udo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a stoppered cask of plastic consisting of two or, more parts that are welded together and having a body, a base and, a cover which has openings that are recessed in depressions there, is on the inner surface of each depression of the cover a barrier that is molded in one piece from the body in an arc around the associated cap opening to as to form a trap lip for a residual quantity of the contents of the cask. Thus when the cask is, tilted it is possible to empty it entirely. In the area about the cap opening the barrier is lower than in the areas at the body so, that the barrier does not make it more difficult to clean the cask.
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
- Granted November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- 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.