Flared ends conduit coupling
CA 2423443 A1 · Owner: Lehnhardt, Gary D. · Inventors: Lehnhardt, Gary D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coupling arrangement for permitting fluid-tight pressurized fluid flow, therethrough includes a pair of conduit members located in end-to-end alignment, each of the conduit members having a flared end. An encircling coupling unit surrounds the ends of the conduit members and has structure to tighten the coupling, unit around the flared ends of the conduit members the coupling unit having , inner, lateral surfaces partially defining a coupling cavity. An encircling deformable, gasket is disposed in the cavity of the coupling unit. The gasket has exterior lateral, surfaces spaced from the inner lateral surfaces of the coupling unit and , interior, surfaces defining an annular recess …
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 March 25, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2025.
- 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.