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Expired European patentEurope

Clear glass composition for the manufacture of glazing

EP 0688741 B1 · Applicant: SAINT-GOBAIN VITRAGE

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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 June 22, 1995 and granted December 22, 1999. A European patent lasts at most 20 years from filing, so its term ended June 22, 2015.
  • 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 December 22, 2020.
  • 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.
FiledJune 22, 1995
PublishedDecember 27, 1995
GrantedDecember 22, 1999
Term endedJune 22, 2015
Application numberEP 95401479
Classification (CPC)C03C3/078 +1 more

Timeline

Timeline From EPO dates

1996199820002002200420062008201020122014Application filedJune 22, 1995PublishedDec 27, 1995Patent grantedDec 22, 1999Term endedJune 22, 2015

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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