Aerosol container cap
CA 2020223 C · Owner: Tiram Kimia Sendirian Berhad · Inventors: Cheng, Tan Soon; Kobayashi, Shinya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cap comprising a cover (2) and a tubular body (1) for use on an aerosol can (5). The tubular body (1) fitted onto, the aerosol can (5), contains a perpendicular bar (10) horizontal bar (6), and ducts (30) to release the contents from the can. To activate the ejection valve stem (14) a, lever mechanism is incorporated in the cover which can be disposed in an open and closed position. In the open position, the upper portion of the cover (26) is depressed activating the ejection valve stem (14) and releasing the contents. When the upper portion of the cover is moved to a closed position, it is not possible to accidentally activate the ejection valve stem. An audible sound is created when 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 June 28, 1990 and granted February 27, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2012.
- 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.