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Expired European patentEurope

Waveform measuring method and apparatus

EP 1184669 B1 · Applicant: ANRITSU 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 August 29, 2001 and granted November 3, 2004. A European patent lasts at most 20 years from filing, so its term ended August 29, 2021.
  • 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.
FiledAugust 29, 2001
PublishedMarch 6, 2002
GrantedNovember 3, 2004
Term endedAugust 29, 2021
Application numberEP 01120804
Classification (CPC)G01R13/345

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedAug 29, 2001PublishedMarch 6, 2002Patent grantedNov 3, 2004Term endedAug 29, 2021

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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