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Expired European patentEurope

Improved methods for two dimensional nuclear magnetic resonance imaging

EP 0164951 B1 · Applicant: INDIANA UNIVERSITY FOUNDATION

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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 May 29, 1985 and granted August 1, 1990. A European patent lasts at most 20 years from filing, so its term ended May 29, 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 November 29, 2010.
  • 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.
FiledMay 29, 1985
PublishedDecember 18, 1985
GrantedAugust 1, 1990
Term endedMay 29, 2005
Application numberEP 85303745
Classification (CPC)G01R33/56

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedMay 29, 1985PublishedDec 18, 1985Patent grantedAug 1, 1990Term endedMay 29, 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

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