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Expired European patentEurope

Method of NMR imaging which overcomes T2* effects in an inhomogeneous static magnetic field

EP 0086972 B1 · Applicant: GENERAL ELECTRIC COMPANY

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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 January 25, 1983 and granted August 13, 1986. A European patent lasts at most 20 years from filing, so its term ended January 25, 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 July 25, 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.
FiledJanuary 25, 1983
PublishedAugust 31, 1983
GrantedAugust 13, 1986
Term endedJanuary 25, 2003
Application numberEP 83100608
Classification (CPC)G01R33/56563

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedJan 25, 1983PublishedAug 31, 1983Patent grantedAug 13, 1986Term endedJan 25, 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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