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Expired Canadian patentCanada

Generating and implementing a communication protocol and interface for high data rate signal transfer

CA 2726149 C · Owner: Qualcomm Incorporated · Inventors: Zou, Qiuzhen; Steele, Brian; Wiley, George A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A data Interface for transferring digital data between a host and a client over a communication path using packet structures linked together to form a communication protocol for communicating a pre-selected set of digital control and presentation data. The signal protocol is used by link controllers configured to generate transmit, and receive packets forming the communications protocol and to form digital data into one or more types of data packets with at least one residing in the host device and being coupled to the client through the communications path. The interface provides a cost-effective low power, bi-directional, high-speed data transfer mechanism over a short-range 'serial' type …

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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 14, 2001 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 14, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 14, 2023.
  • 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 14, 2001
GrantedJune 25, 2013
Term endedDecember 14, 2021
Patent numberCA 2726149 C
Classification (IPC)H04W80/00 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedDec 14, 2001Patent grantedJune 25, 2013Term endedDec 14, 2021

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