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Expired European patentEurope

Collet and lock nut assembly

EP 1853401 B1 · Applicant: Kennametal, Inc.

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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 February 27, 2006 and granted May 30, 2012. A European patent lasts at most 20 years from filing, so its term ended February 27, 2026.
  • 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.
FiledFebruary 27, 2006
PublishedNovember 14, 2007
GrantedMay 30, 2012
Term endedFebruary 27, 2026
Application numberEP 06736355
Classification (CPC)B23B31/20125

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedFeb 27, 2006PublishedNov 14, 2007Patent grantedMay 30, 2012Term endedFeb 27, 2026

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.