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Expired European patentEurope

Method of using an anti-rotation device for mating connectors

EP 1598583 B1 · Applicant: Grant Prideco LP

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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 May 13, 2005 and granted April 18, 2007. A European patent lasts at most 20 years from filing, so its term ended May 13, 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.
FiledMay 13, 2005
PublishedNovember 23, 2005
GrantedApril 18, 2007
Term endedMay 13, 2025
Application numberEP 05252953
Classification (CPC)F16L15/08

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 13, 2005PublishedNov 23, 2005Patent grantedApril 18, 2007Term endedMay 13, 2025

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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