Multiple side-feeding aerosol valve assembly
CA 2504513 C · Owner: Spraytex Inc. · Inventors: Woods, John R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A valve assembly is disclosed for use in an aerosol spray can capable of spraying viscous materials or materials with large particulates without clogging or packing like traditional aerosol spray cans designed for spraying texture materials. The valve opening may be located at substantially any point between the bottom and the top of the container. The valve assembly includes a plurality of side-fitting dip tubes a side-feeding mechanism, and at least one storage member connected respectively, to at least one of the dip tubes whereby texture material is dispensed when a central channel is aligned with a side conduit that is in flow communication with the dip tubes. This allows …
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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 April 20, 2005 and granted November 4, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.