Device for dispensing a liquid or a paste in a finely divided manner
CA 1100106 A · Owner: Schumacker, Therese-Felicie-Alberta · Inventors: Schumacker, Henri-Jean-Joseph; Schumacker, Therese-Felicie-Alberta
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a device for dispensing a liquid or a paste in a finely divided manner namely as an, aerosol. More particularly the invention relates to such a device comprising a substantially tubular rigid container with valve means allowing the ejection of the liquid or the paste contained in the container through an outlet, the container having two inner chambers, one of which contains a gas under pressure whereas the, other contains the liquid or paste to be dispensed or distributed the chambers being separated from each other by a sliding element which is tightly in contact with the inner wall of the container. The sliding element consists of a deep cup the, open part of …
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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
- Granted April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
- 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.