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Expired European patentEurope

A pulse sequence for use in performing nuclear magnetic resonance spectroscopy

EP 0089034 B1 · Applicant: School of Science Griffith University

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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 March 12, 1983 and granted July 19, 1989. A European patent lasts at most 20 years from filing, so its term ended March 12, 2003.
  • 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 September 12, 2008.
  • 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.
FiledMarch 12, 1983
PublishedSeptember 21, 1983
GrantedJuly 19, 1989
Term endedMarch 12, 2003
Application numberEP 83102441
Classification (CPC)G01R33/4608

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedMarch 12, 1983PublishedSep 21, 1983Patent grantedJuly 19, 1989Term endedMarch 12, 2003

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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