Valved quick connect/disconnect coupling
CA 2019227 A1 · Owner: Medvick, Richard John · Inventors: Wagner, Ross Leroy; Medvick, Richard John; Kreczko, Gregory
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A coupling comprises a hollow body with a valve supported therein to define an annular chamber for receiving a mating stem component. A slide sleeve is mounted for axial movement in the annular chamber to control flow past the valve. Carried on the slide sleeve is a wiper mounted for sliding movement and having an end face which generally fills the open end of the annular chamber. A pair of slide hooks act to engage the (stem) member and move the slide member to a closed position when the coupling is disconnected. The slide hooks extend through slots in the wiper and are held in engaged position in the slide sleeve by cooperating surfaces on the hooks and 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 18, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 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.