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Expired European patentEurope

Mold assembly for molding a flexible contact lens

EP 0003695 B1 · Applicant: ESSILOR INTERNATIONAL Compagnie Générale d'Optique

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Overview

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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 January 25, 1979 and granted September 16, 1981. A European patent lasts at most 20 years from filing, so its term ended January 25, 1999.
  • 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 July 25, 2004.
  • 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.
FiledJanuary 25, 1979
PublishedAugust 22, 1979
GrantedSeptember 16, 1981
Term endedJanuary 25, 1999
Application numberEP 79400052
Classification (CPC)B29C33/0038 +2 more

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedJan 25, 1979PublishedAug 22, 1979Patent grantedSep 16, 1981Term endedJan 25, 1999

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.