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Expired Canadian patentCanada

Information editing apparatus

CA 1324658 C · Owner: Kitagawa, Hidemasa · Inventors: Izeki, Hirosuke; Mori, Yoshihiro; Endo, Koichiro

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Information including pictures sounds, and, characters is inputted. A form of the inputted information is converted into a prescribed format in accordance with properties of the information, and thus converted information is derived. A first storage means holds the inputted information and/or the converted information. The information held in the first storage means is edited and, thus edited information is derived. A reproduction sequence is generated. A second storage means holds the edited information. The information held in the first storage means and/or the second storage means is reproduced in the reproduction sequence to allow a check on the information and the reproduction …

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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

  • Granted November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 19, 1987
GrantedNovember 23, 1993
Term endedNovember 23, 2010
Patent numberCA 1324658 C
Classification (IPC)G11B27/02 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedNov 19, 1987Patent grantedNov 23, 1993Term endedNov 23, 2010

Sources & verification

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