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Expired Canadian patentCanada

Client-server application development and deployment system and methods

CA 2799486 C · Owner: Open Invention Network, Llc. · Inventors: Dufresne, Fred 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 system and method for rapid deployment of World Wide Web applications on the Internet. A preferred method provides a template accessible to both client and server, for constructing Web source text. The source text includes HTML tag extensions for implementing dynamic Web environment. The tag extensions are nested and grouped to form scripts to perform specific tasks such as state construction and on-line data arrangement. Each tag extension or script is expanded and replaced with data value to be embedded within a traditional HTML tag. A processor is employed to process templates and execute tag extensions therein and produces pages in pure HTML form for displaying by any Web browser.

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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 May 2, 1997 and granted December 23, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 2, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 2, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 2, 1997
GrantedDecember 23, 2014
Term endedMay 2, 2017
Patent numberCA 2799486 C
Classification (IPC)H04L12/16 +1 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedMay 2, 1997Patent grantedDec 23, 2014Term endedMay 2, 2017

Sources & verification

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