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Expired European patentEurope

Method for synchronisation on signals transmitted by time division multiplexing and for the clock recovery from it

EP 0268694 B1 · Applicant: ANT Nachrichtentechnik 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 November 22, 1986 and granted February 20, 1991. A European patent lasts at most 20 years from filing, so its term ended November 22, 2006.
  • 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 22, 2012.
  • 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.
FiledNovember 22, 1986
PublishedJune 1, 1988
GrantedFebruary 20, 1991
Term endedNovember 22, 2006
Application numberEP 86116224
Classification (CPC)H04L7/041

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedNov 22, 1986PublishedJune 1, 1988Patent grantedFeb 20, 1991Term endedNov 22, 2006

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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