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Expired European patentEurope

Laminated extruded thermal shock resistant articles and method for making such articles

EP 0333957 B1 · Applicant: Corning Glass Works

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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 November 28, 1988 and granted August 3, 1994. A European patent lasts at most 20 years from filing, so its term ended November 28, 2008.
  • 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 May 28, 2014.
  • 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.
FiledNovember 28, 1988
PublishedSeptember 27, 1989
GrantedAugust 3, 1994
Term endedNovember 28, 2008
Application numberEP 88311243
Classification (CPC)C04B35/10 +1 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedNov 28, 1988PublishedSep 27, 1989Patent grantedAug 3, 1994Term endedNov 28, 2008

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.