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Expired European patentEurope

Method for the automatic gain control in a digital receiver and receiver using this method

EP 0657997 B1 · Applicant: THOMSON-CSF

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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 2, 1994 and granted November 18, 1998. A European patent lasts at most 20 years from filing, so its term ended December 2, 2014.
  • 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 2, 2020.
  • 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 2, 1994
PublishedJune 14, 1995
GrantedNovember 18, 1998
Term endedDecember 2, 2014
Application numberEP 94402767
Classification (CPC)H03G3/3068

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedDec 2, 1994PublishedJune 14, 1995Patent grantedNov 18, 1998Term endedDec 2, 2014

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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