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Expired European patentEurope

Method and device for machining the peripheral edge of spectacle lenses

EP 1173305 B1 · Applicant: Wernicke & Co. GmbH

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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 March 23, 2000 and granted February 26, 2003. A European patent lasts at most 20 years from filing, so its term ended March 23, 2020.
  • 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 September 23, 2025.
  • 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.
FiledMarch 23, 2000
PublishedJanuary 23, 2002
GrantedFebruary 26, 2003
Term endedMarch 23, 2020
Application numberEP 00920544
Classification (CPC)B24B49/16 +1 more

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedMarch 23, 2000PublishedJan 23, 2002Patent grantedFeb 26, 2003Term endedMarch 23, 2020

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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