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Expired European patentEurope

Recognition and processing of wave forms

EP 0366298 B1 · Applicant: DETECTOR ELECTRONICS CORPORATION

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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 October 10, 1989 and granted March 13, 1996. A European patent lasts at most 20 years from filing, so its term ended October 10, 2009.
  • 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 April 10, 2015.
  • 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.
FiledOctober 10, 1989
PublishedMay 2, 1990
GrantedMarch 13, 1996
Term endedOctober 10, 2009
Application numberEP 89310333
Classification (CPC)G08B17/12

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedOct 10, 1989PublishedMay 2, 1990Patent grantedMarch 13, 1996Term endedOct 10, 2009

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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