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Expired European patentEurope

Method for the emission and reception of a periodical pulse train

EP 0180652 B1 · Applicant: Honeywell Regelsysteme GmbH

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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 31, 1984 and granted February 8, 1989. A European patent lasts at most 20 years from filing, so its term ended October 31, 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 May 1, 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.
FiledOctober 31, 1984
PublishedMay 14, 1986
GrantedFebruary 8, 1989
Term endedOctober 31, 2004
Application numberEP 84113123
Classification (CPC)G01S15/101

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedOct 31, 1984PublishedMay 14, 1986Patent grantedFeb 8, 1989Term endedOct 31, 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

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