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Expired Canadian patentCanada

Document composition system using named formats and named fonts

CA 1304511 C · Owner: Fischer, Addison M. · Inventors: Fischer, Addison M.

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

An interactive data processing implemented method and apparatus for composing and editing a document in which a user is afforded great flexibility in defining the document geometry and in changing the data presentation characteristics associated with non-contiguous portions of the document. According to the present invention each, of the distinct line formats in the document is assigned an abstract format name (i.e. a Named Format) and each line in the document is associated with a distinct format. A Named Format is associated with each fragment of the text in the document. Likewise, an abstract name, referred to as a Named Font, is associated with a wide range of specifiable 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

  • Granted June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 12, 1988
GrantedJune 30, 1992
Term endedJune 30, 2009
Patent numberCA 1304511 C
Classification (IPC)G06F17/24 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedFeb 12, 1988Patent grantedJune 30, 1992Term endedJune 30, 2009

Sources & verification

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