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Expired Canadian patentCanada

Data structures and methods adapted for heterogeneous clients in an information distribution system

CA 2505220 C · Owner: Decenzo, Christopher John · Inventors: Decenzo, Christopher John; Hindle, James Matthew

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 method includes processing data associated with event and service information to create a base data block and an index table. The base data block has , an array of objects, and each object in the array may have at least one attribute. , The index table also has an array of objects and each object in the index , table , relates to an object in the base data block. The method of processing data may be , performed by a server located at a cable headend. In one embodiment the , present , invention also comprises a storage medium having a representation of a data structure produced by the data processing. In one embodiment a STB may , receive , and utilize the processed 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 25, 2005 and granted January 14, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 25, 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 25, 2005
GrantedJanuary 14, 2014
Term endedApril 25, 2025
Patent numberCA 2505220 C
Classification (IPC)G06F3/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 25, 2005Patent grantedJan 14, 2014Term endedApril 25, 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.