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Expired European patentEurope

Process of manufacturing cylindrical hollow bodies and the use thereof

EP 1201775 B1 · Applicant: Böhler Edelstahl GmbH & Co KG

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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 October 10, 2001 and granted July 28, 2004. A European patent lasts at most 20 years from filing, so its term ended October 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.
FiledOctober 10, 2001
PublishedMay 2, 2002
GrantedJuly 28, 2004
Term endedOctober 10, 2021
Application numberEP 01890291
Classification (CPC)C21D8/10 +1 more

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedOct 10, 2001PublishedMay 2, 2002Patent grantedJuly 28, 2004Term endedOct 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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