Pipe joint member
CA 2085886 A1 · Owner: Ishibashi, Toshimitsu · Inventors: Kageyama, Hideki; Nishikawa, Shingo; Onishi, Kuniaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a pipe connecting member used for connecting resin pipes end to end in various pipings. This pipe connecting member (1) is formed cylindrically and it is, composed of one or a plurality of receiving members (2) in which an end portion (40) of a resin pipe (4) may be fitted to its one end, and a fusion part (21) burying a coil (23) heated by energization is formed, while a connecting part (22) is formed at the other end, and a conduit composing part (3) possessing at least one opening (30) and the receiving, member (2) is connected to an arbitrary opening (30) of the conduit composing part (3) through its connecting part (22).
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 April 17, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2014.
- 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.