Quick connect coupling
CA 2730578 C · Owner: The Gates Corporation · Inventors: Swift, Jonathan Clark; Keast, Geoffrey Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is an improved quick to connect and disconnect fluid coupling. The coupling has a clip a male portion having an annular clip groove , adapted to receive the clip, and a female portion. The female portion comprises: a , base portion having an interior surface defining a bore with a substantially circular inlet , opening and a substantially circular outlet opening. The bore includes a fluid passage , proximate said outlet opening. The bore has a first radius. A dual function frustoconical ramp expands radially from the first radius to a second radius toward the , inlet opening. A first cylinder having a third radius progresses axially toward the inlet , opening. …
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 September 1, 2005 and granted January 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 1, 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.