Bi-directional graphics attribute conversion profile
CA 2042873 C · Owner: Bednowitz, Allan Lloyd · Inventors: Bednowitz, Allan Lloyd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus in which a single table is utilized to provide bi-directional conversion between a first graphics format such as a Computer Metafile (CGM) used on a personal computer, and a second graphics format such as a Graphics Data Format (GDF) used on a host computer. The table is accessed through the use of keywords and paired attributes of the respective graphic formats.
Read the whole patent
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 17, 1991 and granted January 2, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 17, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.