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Expired Canadian patentCanada

Terminal device for editing document and communicating data

CA 1200910 A · Owner: Ricoh Company, Limited · Inventors: Ueno, Hiroaki; Yamada, Toshiaki; Haganuma, Tomoyuki

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 terminal device capable of preparing a document and communicating data includes a system control section having storage means in which are resident a control program for outputting received document data either to an output section or an external storage and a supervisor program for alternately practicing the control program and another program necessary for system control. Based on these resident programs the system control is practiced to permit received document data to be fed to the output section or the external storage even when local work such as preparation of a document is under way. When printing operation is disabled due to a failure in a printer of the output section or the …

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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 February 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2003.
  • 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 24, 1982
GrantedFebruary 18, 1986
Term endedFebruary 18, 2003
Patent numberCA 1200910 A
Classification (IPC)G06F3/02 +2 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedDec 24, 1982Patent grantedFeb 18, 1986Term endedFeb 18, 2003

Sources & verification

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