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Expired Canadian patentCanada

A method of transmitting feedback information using an extended subheader

CA 2590670 C · Owner: Jin, Yong Suk · Inventors: Chun, Jin Young; Jin, Yong Suk; Ihm, Bin Chul

CIPO record

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Abstract From the Canadian patent

A method of transmitting feedback information is disclosed. More specifically a mobile station (MS) receives a Protocol Data Unit (PDU) which includes a Medium Access Channel (MAC) header from a base station (BS). Thereafter the , MS determines from the received MAC header whether an extended subheader group appears after the MAC header, and also identifies a feedback request extended subheader from the extended subheader group. Lastly the MS transmits the , feedback information according to the feedback request extended subheader.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 27, 2005 and granted January 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 27, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 27, 2005
GrantedJanuary 28, 2014
Term endedDecember 27, 2025
Patent numberCA 2590670 C
Classification (IPC)H04L1/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 27, 2005Patent grantedJan 28, 2014Term endedDec 27, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.