Pipe coupling system
CA 1086352 A · Owner: De Crombrugghe, Alain · Inventors: De Crombrugghe, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pipe Coupling System, In pipe coupling systems elaborate equipment and tools are required for their assembly and disassembly; the disassembly procedure is time consuming and little, if any, of the fittings can be reused. The present invention relates to improvements in pipe attachment system to their fittings, particularly adapted for use with smooth surface pipe and tubing where assembly and disassembly is easily made with simple tools or without tools.
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 September 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 1997.
- 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.