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Expired European patentEurope

Pipe joint, gasket and method for obtaining the joint

EP 1674686 B1 · Applicant: Carl Freudenberg KG

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 16, 2005 and granted January 30, 2008. A European patent lasts at most 20 years from filing, so its term ended December 16, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledDecember 16, 2005
PublishedJune 28, 2006
GrantedJanuary 30, 2008
Term endedDecember 16, 2025
Application numberEP 05027580
Classification (CPC)F16L21/02 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedDec 16, 2005PublishedJune 28, 2006Patent grantedJan 30, 2008Term endedDec 16, 2025

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