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Expired European patentEurope

Free machining steel for use in machine structure of excellent mechanical characteristics

EP 1184477 B1 · Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO

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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 August 10, 2001 and granted October 26, 2005. A European patent lasts at most 20 years from filing, so its term ended August 10, 2021.
  • 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.
FiledAugust 10, 2001
PublishedMarch 6, 2002
GrantedOctober 26, 2005
Term endedAugust 10, 2021
Application numberEP 01118829
Classification (CPC)C22C38/60 +2 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedAug 10, 2001PublishedMarch 6, 2002Patent grantedOct 26, 2005Term endedAug 10, 2021

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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