Detachable connector/adapter for pipes used for conveying gases and fluids, e.g. compressed air, especially in pneumatic installations; method for establishing such a connection and device for implementing said method

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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 March 7, 1978. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 7, 1995.
• We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.