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Expired European patentEurope

Radio frequency field coil for NMR

EP 0151745 B1 · Applicant: GENERAL ELECTRIC COMPANY

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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.

Why it's free to use

  • Filed December 12, 1984 and granted April 25, 1990. A European patent lasts at most 20 years from filing, so its term ended December 12, 2004.
  • 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 June 12, 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.
FiledDecember 12, 1984
PublishedAugust 21, 1985
GrantedApril 25, 1990
Term endedDecember 12, 2004
Application numberEP 84115231
Classification (CPC)G01R33/34046

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedDec 12, 1984PublishedAug 21, 1985Patent grantedApril 25, 1990Term endedDec 12, 2004

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