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Expired European patentEurope

Couplable flange with clamping jaws for the connection of pipes for the transport of petrochemical fluids, gases and liquefied gases

EP 1664611 B1 · Applicant: Bormioli, Lorenzo

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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.

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Why it's free to use

  • Filed July 22, 2004 and granted March 11, 2009. A European patent lasts at most 20 years from filing, so its term ended July 22, 2024.
  • 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.
FiledJuly 22, 2004
PublishedJune 7, 2006
GrantedMarch 11, 2009
Term endedJuly 22, 2024
Application numberEP 04766287
Classification (CPC)F16L23/04

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJuly 22, 2004PublishedJune 7, 2006Patent grantedMarch 11, 2009Term endedJuly 22, 2024

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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