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Expired Canadian patentCanada

Storage medium storing interactive graphics stream activated on response to user's command, and reproducing apparatus and method for reproducing from the same

CA 2728486 C · Owner: Samsung Electronics Co. Ltd. · Inventors: Kang, Man-Seok; Jung, Kil-Soo; Park, Sung-Wook

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Abstract From the Canadian patent

A reproducing apparatus for reproducing from a storage medium, video data and graphics data for displaying a menu overlaid on an image displayed on the basis of the video data. The reproducing apparatus includes a graphics decoder adapted to decode interactive graphics data of a first type for display responsive to receipt of an activation command.

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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 13, 2005 and granted October 21, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 13, 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 13, 2005
GrantedOctober 21, 2014
Term endedJanuary 13, 2025
Patent numberCA 2728486 C
Classification (IPC)H04N21/47 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 13, 2005Patent grantedOct 21, 2014Term endedJan 13, 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.