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Expired European patentEurope

Magnetic signal measurement apparatus

EP 1731917 B1 · Applicant: Hitachi High-Technologies Corporation

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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 June 6, 2006 and granted December 22, 2010. A European patent lasts at most 20 years from filing, so its term ended June 6, 2026.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledJune 6, 2006
PublishedDecember 13, 2006
GrantedDecember 22, 2010
Term endedJune 6, 2026
Application numberEP 06011643
Classification (CPC)G01R33/0005 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedJune 6, 2006PublishedDec 13, 2006Patent grantedDec 22, 2010Term endedJune 6, 2026

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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