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Expired European patentEurope

Chuck for rotary tools, specially drills, taps and others

EP 0956920 B1 · Applicant: OTTO BILZ, Werkzeugfabrik GmbH & Co.

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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.

Why it's free to use

  • Filed December 28, 1998 and granted May 14, 2003. A European patent lasts at most 20 years from filing, so its term ended December 28, 2018.
  • 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 June 28, 2024.
  • 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 28, 1998
PublishedNovember 17, 1999
GrantedMay 14, 2003
Term endedDecember 28, 2018
Application numberEP 98124495
Classification (CPC)B23Q11/1023 +1 more

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedDec 28, 1998PublishedNov 17, 1999Patent grantedMay 14, 2003Term endedDec 28, 2018

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