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Expired European patentEurope

Consumable electrode type arc welding method and device therefor

EP 1182001 B1 · Applicant: KABUSHIKI KAISHA YASKAWA DENKI

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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 March 17, 2000 and granted September 1, 2004. A European patent lasts at most 20 years from filing, so its term ended March 17, 2020.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by September 17, 2025.
  • 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.
FiledMarch 17, 2000
PublishedFebruary 27, 2002
GrantedSeptember 1, 2004
Term endedMarch 17, 2020
Application numberEP 00909747
Classification (CPC)B23K9/124 +1 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMarch 17, 2000PublishedFeb 27, 2002Patent grantedSep 1, 2004Term endedMarch 17, 2020

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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