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Expired Canadian patentCanada

Method and apparatus for selectively enabling reception of downlink signaling channels

CA 2563901 C · Owner: Terry, Stephen E. · Inventors: Zhang, Guodong; Terry, Stephen E.; Dick, Stephen G.

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Abstract From the Canadian patent

In a wireless communication system including a wireless transmit/receive unit (WTRU) and at least one Node-B, a method and apparatus is used to selectively enable reception of at least one downlink (DL) enhanced uplink (EU) signaling channel established between the WTRU and the Node-B(s). During the operation of an enhanced dedicated channel (E-DCH) the WTRU monitors at least one DL EU , signaling channel established between the WTRU and the Node-B(s) only when it is necessary, based on the WTRU's knowledge of at least one established standard procedure. The WTRU coordinates and consolidates DL signaling channel reception requirements of a plurality of channel allocation and/or data …

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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 April 6, 2005 and granted May 27, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 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.
FiledApril 6, 2005
GrantedMay 27, 2014
Term endedApril 6, 2025
Patent numberCA 2563901 C
Classification (IPC)—

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2006200820102012201420162018202020222024Application filedApril 6, 2005Patent grantedMay 27, 2014Term endedApril 6, 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.