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Expired European patentEurope

Reflexion phase-shifter

EP 0163005 B1 · Applicant: ANT Nachrichtentechnik GmbH

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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 February 14, 1985 and granted April 27, 1988. A European patent lasts at most 20 years from filing, so its term ended February 14, 2005.
  • 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 August 14, 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.
FiledFebruary 14, 1985
PublishedDecember 4, 1985
GrantedApril 27, 1988
Term endedFebruary 14, 2005
Application numberEP 85101600
Classification (CPC)H01P1/185

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedFeb 14, 1985PublishedDec 4, 1985Patent grantedApril 27, 1988Term endedFeb 14, 2005

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.