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Expired European patentEurope

An arrangement for generating an SSB signal

EP 0323675 B1 · Applicant: Philips Electronics N.V.

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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 December 27, 1988 and granted March 9, 1994. A European patent lasts at most 20 years from filing, so its term ended December 27, 2008.
  • 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 June 27, 2014.
  • 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.
FiledDecember 27, 1988
PublishedJuly 12, 1989
GrantedMarch 9, 1994
Term endedDecember 27, 2008
Application numberEP 88203015
Classification (CPC)H03C1/60

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedDec 27, 1988PublishedJuly 12, 1989Patent grantedMarch 9, 1994Term endedDec 27, 2008

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.