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Expired European patentEurope

Method of scanning a plurality of radio channels by a fixed station of a cordless telephone network

EP 0459338 B1 · Applicant: ALCATEL CIT

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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 May 27, 1991 and granted December 6, 1995. A European patent lasts at most 20 years from filing, so its term ended May 27, 2011.
  • 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 November 27, 2016.
  • 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.
FiledMay 27, 1991
PublishedDecember 4, 1991
GrantedDecember 6, 1995
Term endedMay 27, 2011
Application numberEP 91108558
Classification (CPC)H04W24/10

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedMay 27, 1991PublishedDec 4, 1991Patent grantedDec 6, 1995Term endedMay 27, 2011

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.