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Expired Canadian patentCanada

Method and apparatus for transmitting and receiving control message in wireless access communication system

CA 2556947 C · Owner: Samsung Electronics Co. Ltd. · Inventors: Chang, Sun-Ny; Park, Yun-Sang

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Abstract From the Canadian patent

A registration response (REG_RSP) message is generated which includes a type field, a length field, and an integrated CID (Connector Identifier) field. The integrated CID field includes an integrated CID inserted thereinto. The integrated CID is configured by using a new CID and an old CID assigned to the subscriber terminal. The type and length fields include type information and length information of the integrated CID respectively inserted thereinto. The generated REG_RSP message is transmitted to a handover target subscriber terminal. A traffic indicator (TRF_IND) message is generated which includes at least one short BCID (Basic Connector Identifier) field into which a short …

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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 January 14, 2005 and granted March 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 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.
FiledJanuary 14, 2005
GrantedMarch 27, 2012
Term endedJanuary 14, 2025
Patent numberCA 2556947 C
Classification (IPC)H04B7/26

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2006200820102012201420162018202020222024Application filedJan 14, 2005Patent grantedMarch 27, 2012Term endedJan 14, 2025

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