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Expired European patentEurope

System for determining the position of receptor regions

EP 0444096 B1 · Applicant: SZELES, Josef Constantin

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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 21, 1989 and granted October 28, 1992. A European patent lasts at most 20 years from filing, so its term ended November 21, 2009.
  • 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 21, 2015.
  • 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 21, 1989
PublishedSeptember 4, 1991
GrantedOctober 28, 1992
Term endedNovember 21, 2009
Application numberEP 89912985
Classification (CPC)G01R33/28 +2 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedNov 21, 1989PublishedSep 4, 1991Patent grantedOct 28, 1992Term endedNov 21, 2009

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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