High pressure coupling
CA 1301800 C · Owner: Barree, Robert D. · Inventors: Barree, Robert D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Docket 860020-A, HIGH PRESSURE COUPLING ABSTRACT, A high-pressure coupling for small-diameter pipe is obtained with standard male and female pipe connectors three ferrules, an, O-ring and a flat metallic washer disposed around the pipe and designed such that when the connectors are hand tightened the, coupling compresses the ferrules, O-ring and flat washer to obtain a coupling that will withstand pressures up to 10,000 psi.
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
- Granted May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.