An improved seal
CA 2427972 C · Owner: Dixon (Asia Pacific) Pty Ltd · Inventors: Davey, Brenton James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bellows type seal for a quick connect coupling. The bellows seal has a torroidal portion (20) with a substantially planar sealing surface at one end of the torroidal portion (20) and a bellows portion (14) at the other end of the torroidal portion (20). The bellows portion (14) extends away from the torroidal portion (20) and is semicircular in cross-section and terminates in a circumferential bead (24) extending radially outward from the bellows portion (14). The bellows portion (14) may also include a circumferential sealing bead (26) at an apex of the bellows portion (14). The torroidal portion (20) may have a metal reinforcement ring (22). The termination bead (24) of the …
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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 November 9, 2001 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 9, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 9, 2023.
- 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.