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Expired European patentEurope

Magnetoresistance effect element

EP 0526044 B1 · Applicant: KABUSHIKI KAISHA TOSHIBA

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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 July 15, 1992 and granted June 12, 1996. A European patent lasts at most 20 years from filing, so its term ended July 15, 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 January 15, 2018.
  • 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 15, 1992
PublishedFebruary 3, 1993
GrantedJune 12, 1996
Term endedJuly 15, 2012
Application numberEP 92306497
Classification (CPC)B82Y25/00 +2 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedJuly 15, 1992PublishedFeb 3, 1993Patent grantedJune 12, 1996Term endedJuly 15, 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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