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Expired European patentEurope

Light diffusing insulating glass pane

EP 0175965 B1 · Applicant: VEGLA Vereinigte Glaswerke GmbH

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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 September 2, 1985 and granted April 20, 1988. A European patent lasts at most 20 years from filing, so its term ended September 2, 2005.
  • 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 March 2, 2011.
  • 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.
FiledSeptember 2, 1985
PublishedApril 2, 1986
GrantedApril 20, 1988
Term endedSeptember 2, 2005
Application numberEP 85111065
Classification (CPC)B32B5/18 +2 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedSep 2, 1985PublishedApril 2, 1986Patent grantedApril 20, 1988Term endedSep 2, 2005

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.