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Expired European patentEurope

Method and apparatus for controlling power consumption of stations on CSMA/CA-based wireless LAN

EP 1503545 B1 · Applicant: Samsung Electronics Co., Ltd.

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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 July 27, 2004 and granted January 8, 2014. A European patent lasts at most 20 years from filing, so its term ended July 27, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledJuly 27, 2004
PublishedFebruary 2, 2005
GrantedJanuary 8, 2014
Term endedJuly 27, 2024
Application numberEP 04254482
Classification (CPC)H04W52/0245

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedJuly 27, 2004PublishedFeb 2, 2005Patent grantedJan 8, 2014Term endedJuly 27, 2024

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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