Improved gasketed aerosol mounting cup
CA 2380868 A1 · Owner: Blake, Robert R. · Inventors: O'Toole, Timothy; Abplanalp, Robert H.; Blake, Robert R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved gasketed mounting cup, (14) for an aerosol container (12) wherein the mounting cup has a curvilinear channel portion (22) and the gasket is a folded-over sleeve gasket (64) simulating, the gasket thickness of a cut gasket; wherein the outer segment (62) of the folded-over gasket is longer than the other gasket segment (66) but of a limited length that will allow the ultimate positioning of the gasket without the longer gasket segment contacting the surface of the mounting cup and being wedged between the bead (34) of the container and the mounting cup during advancement of the gasket into the mounting cup.
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 August 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 11, 2022.
- 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.