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European application, no grantEurope

Radiofrequency focusing of magnetic resonance images

EP 0511809 A2 · Applicant: Hewlett-Packard Company

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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 April 27, 1992 and never granted as a European patent. Had it been granted, its 20-year term would have ended April 27, 2012.
  • 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 October 27, 2017.
  • 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.
FiledApril 27, 1992
PublishedNovember 4, 1992
GrantedNever granted
Term endedApril 27, 2012
Application numberEP 92303773
Classification (CPC)G01R33/56 +2 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedApril 27, 1992PublishedNov 4, 1992Term endedApril 27, 2012

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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