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Expired European patentEurope

Radius end mill

EP 1591183 B1 · Applicant: MITSUBISHI MATERIALS CORPORATION

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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 December 22, 2003 and granted June 16, 2010. A European patent lasts at most 20 years from filing, so its term ended December 22, 2023.
  • 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 22, 2003
PublishedNovember 2, 2005
GrantedJune 16, 2010
Term endedDecember 22, 2023
Application numberEP 03780995
Classification (CPC)B23C5/10 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedDec 22, 2003PublishedNov 2, 2005Patent grantedJune 16, 2010Term endedDec 22, 2023

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.