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Expired Canadian patentCanada

Resin tube-equipped quick connector

CA 2550946 C · Owner: Nagai, Yasuaki · Inventors: Kato, Kazuhiro; Yagisawa, Katsuichi; Kitamura, Hirokazu

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

There is provided a resin tube-equipped quick connector capable of connecting a fuel-transporting resin tube to a mating pipe without hindrance even if the resin tube has a small diameter. The quick connector 16 is constructed such that it includes a connector body 18 having a press-fitting portion 28, and a retainer 20. On the other hand a press-fit, undergoing portion 10A of the resin tube 10 into which the press-fitting portion 28 is to be press-fitted is beforehand expanded in tube diameter prior to the press-fitting and the , press-fitting portion 28 is press-fitted into the expanded press-fit undergoing portion 10A in a withdrawal-preventing condition to provide the quick …

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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 December 20, 2004 and granted January 31, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 20, 2024.
  • 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.
FiledDecember 20, 2004
GrantedJanuary 31, 2012
Term endedDecember 20, 2024
Patent numberCA 2550946 C
Classification (IPC)F16L37/08 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 20, 2004Patent grantedJan 31, 2012Term endedDec 20, 2024

Sources & verification

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