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Expired European patentEurope

Adaptive radar signal processing apparatus

EP 0133002 B1 · Applicant: NEC 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 July 20, 1984 and granted October 11, 1989. A European patent lasts at most 20 years from filing, so its term ended July 20, 2004.
  • 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 January 20, 2010.
  • 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.
FiledJuly 20, 1984
PublishedFebruary 13, 1985
GrantedOctober 11, 1989
Term endedJuly 20, 2004
Application numberEP 84304982
Classification (CPC)G01S7/2923 +1 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJuly 20, 1984PublishedFeb 13, 1985Patent grantedOct 11, 1989Term endedJuly 20, 2004

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.