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Expired Canadian patentCanada

Data browsing apparatus and method therefor

CA 2177112 C · Owner: Sugiyama, Mikio · Inventors: Sugiyama, Mikio; Endo, Kaoru

CIPO record

Overview

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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 browsing apparatus displays data automatically in an automatic page-turning mode. The data browsing apparatus has dynamic picture display parameters comprising a frame display time (w), a frame display pitch (m) and a, display priority (r). The dynamic picture display parameters may be calculated based on automatic page-turning options designated by users. Dynamic pictures are displayed with accuracy at the automatic page-turning interval.

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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 May 22, 1996 and granted January 18, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 22, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 22, 1996
GrantedJanuary 18, 2000
Term endedMay 22, 2016
Patent numberCA 2177112 C
Classification (IPC)G06F9/44 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedMay 22, 1996Patent grantedJan 18, 2000Term endedMay 22, 2016

Sources & verification

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