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European application, no grantEurope

Method and apparatus for measuring delay and/or gain difference

EP 0202003 A2 · Applicant: TEKTRONIX, INC.

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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 March 25, 1986 and never granted as a European patent. Had it been granted, its 20-year term would have ended March 25, 2006.
  • 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 September 25, 2011.
  • 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.
FiledMarch 25, 1986
PublishedNovember 20, 1986
GrantedNever granted
Term endedMarch 25, 2006
Application numberEP 86302190
Classification (CPC)H04N17/00

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedMarch 25, 1986PublishedNov 20, 1986Term endedMarch 25, 2006

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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