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Expired Canadian patentCanada

Apparatus and methods for creating and using portable fonts

CA 2208523 C · Owner: Bitstream Inc. · Inventors: Collins, John S.; Goldwater, Mark H.

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

A computer system can translate original font descriptions often from text , contained on one computer into new font descriptions which use different outline segmentation, and then install the new font descriptions into a computer operating system, often on a second computer so operating system , calls can be used to render the text. The system can send a first message over a network to request a text, and a second message to request a set of font descriptions for rendering the text. Preferably the text includes an identifier which can be used in the second message to identify the particular font descriptions desired. The system can receive a body of text and an old set of font …

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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 September 12, 1996 and granted February 1, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 12, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 12, 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.
FiledSeptember 12, 1996
GrantedFebruary 1, 2000
Term endedSeptember 12, 2016
Patent numberCA 2208523 C
Classification (IPC)G06F40/10 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedSep 12, 1996Patent grantedFeb 1, 2000Term endedSep 12, 2016

Sources & verification

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