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Expired European patentEurope

Automatic optimization of the image uniformity of an ultrasound imaging system

EP 0533976 B1 · Applicant: DORNIER MEDIZINTECHNIK GMBH

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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 September 26, 1991 and granted May 15, 1996. A European patent lasts at most 20 years from filing, so its term ended September 26, 2011.
  • 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 March 26, 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.
FiledSeptember 26, 1991
PublishedMarch 31, 1993
GrantedMay 15, 1996
Term endedSeptember 26, 2011
Application numberEP 91116397
Classification (CPC)G01S7/52033

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedSep 26, 1991PublishedMarch 31, 1993Patent grantedMay 15, 1996Term endedSep 26, 2011

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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