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European application, no grantEurope

Method of compensating for non-linearities in an amplifying circuit with strong signal passage time

EP 0513402 A1 · Applicant: THOMCAST AG

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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 April 24, 1991 and never granted as a European patent. Had it been granted, its 20-year term would have ended April 24, 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 October 24, 2016.
  • 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.
FiledApril 24, 1991
PublishedNovember 19, 1992
GrantedNever granted
Term endedApril 24, 2011
Application numberEP 91106653
Classification (CPC)H03H21/0027 +1 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedApril 24, 1991PublishedNov 19, 1992Term endedApril 24, 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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