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Expired Canadian patentCanada

Code server

CA 2116029 C · Owner: Pickett, Stephen F.B. · Inventors: Pickett, Stephen F.B.

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 code server operates in a data processing system having an operating system or environment such as OS/2 or Windows, which processes coded programs in discrete code modules. The code server maintains linkage information between the various code modules forming an association representing all the linkage data for the entire program. This information is gathered by way of searching through the files of the computer network or by direct insertion into the code module information table. Once the associative data has been gathered a coded program may be retrieved quickly and efficiently without the need for repetitive on-line searching because the user need refers only to the code server which …

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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 August 21, 1992 and granted May 5, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 21, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 21, 1992
GrantedMay 5, 1998
Term endedAugust 21, 2012
Patent numberCA 2116029 C
Classification (IPC)G06F9/44 +1 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedAug 21, 1992Patent grantedMay 5, 1998Term endedAug 21, 2012

Sources & verification

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