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European application, no grantEurope

Method of forming a thin monocrystalline layer of a semiconductor material on a substrate

EP 0319082 A1 · Applicant: Philips Electronics N.V.

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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 24, 1988 and never granted as a European patent. Had it been granted, its 20-year term would have ended November 24, 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 24, 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 24, 1988
PublishedJune 7, 1989
GrantedNever granted
Term endedNovember 24, 2008
Application numberEP 88202657
Classification (CPC)H10P14/2921 +2 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedNov 24, 1988PublishedJune 7, 1989Term endedNov 24, 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

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