Integral joint for connecting two pipes
CA 2118287 A1 · Owner: Cerruti, Sergio · Inventors: Cerruti, Sergio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
IMPROVED INTEGRAL JOINT FOR CONNECTING TWO PIPES" Abstract, Integral joint for connecting two pipes in which, from the annular edge of the female pipe an internal flaring with decreasing cross-section extends which, gets engaged, with interference with a corresponding, external counter-flaring provided on the end portion of the male pipe nearby the overhanging back shoulder of the latter, in order to create another tight, all-metal sealing with interference additionally to the other tight sealing already existing at the front end of said end portion of the male pipe.
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 October 17, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2016.
- 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.