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Expired European patentEurope

Low r.f. dosage magnetic resonance imaging of high velocity flows

EP 0233237 B1 · Applicant: PICKER INTERNATIONAL, INC.

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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 July 31, 1986 and granted September 11, 1991. A European patent lasts at most 20 years from filing, so its term ended July 31, 2006.
  • 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 January 31, 2012.
  • 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.
FiledJuly 31, 1986
PublishedAugust 26, 1987
GrantedSeptember 11, 1991
Term endedJuly 31, 2006
Application numberEP 86904859
Classification (CPC)G01R33/54 +2 more

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedJuly 31, 1986PublishedAug 26, 1987Patent grantedSep 11, 1991Term endedJuly 31, 2006

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

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