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Expired European patentEurope

Method and control device for the distribution of the volume of traffic among different control channels of a radio network

EP 0111970 B1 · Applicant: Philips Electronics N.V.

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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 14, 1983 and granted April 8, 1987. A European patent lasts at most 20 years from filing, so its term ended December 14, 2003.
  • 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 14, 2009.
  • 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 14, 1983
PublishedJune 27, 1984
GrantedApril 8, 1987
Term endedDecember 14, 2003
Application numberEP 83201765
Classification (CPC)H04W48/12

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedDec 14, 1983PublishedJune 27, 1984Patent grantedApril 8, 1987Term endedDec 14, 2003

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.