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Expired Canadian patentCanada

Female quick coupling fitting element for pipes

CA 2616581 C · Owner: Allevi, Matteo · Inventors: Stucchi, Giovanni; Tivelli, Sergio; Gatti, Gianmarco

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A female element (1) is described comprising a hollow internal body (2) having an end (3) provided with fastening means (5) to one of the pipes to be joined a hollow external body (7) coaxial with said internal body (2) and having an end (8) which axially protrudes with respect to another end (4) of the internal body (2) opposite to that provided with fastening means (5) one , rigid central stem (9) coaxially supported by said internal body (2) by means of a transversal perforated base (18) and having a widened end (10) near said protruding end (8) of the external body (7) an axially sliding sealing bush , (12) coaxially arranged about said stem (9) and elastically stressed to be …

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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

  • Filed July 31, 2006 and granted December 17, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 31, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 31, 2006
GrantedDecember 17, 2013
Term endedJuly 31, 2026
Patent numberCA 2616581 C
Classification (IPC)F16L37/34 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 31, 2006Patent grantedDec 17, 2013Term endedJuly 31, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.