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Canadian application, no grantCanada

A system for creating and maintaining a database of information utilizing user options

CA 2493272 A1 · Owner: Thompson, Craig P. · Inventors: Riffel, Connie (Deceased); Cameron, Kim; Thomas, Rachael A.

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 for automatically creating and maintaining a database (1-24) of information utilizing user opinions about subjects particularly exceptional , experiences. Described is an Internet system (1-12) assisting/motivating a population of users (1-n) interested in information about certain categories of subjects to automatically maintain the database content and to improve the usefulness and quality of the database information without any substantial management by the website (1-26) owner-manager. The user opinions are primarily in the form of both comments and ratings about which naturallanguage terms best describe a particular subject enabling user searches of , the subject …

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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 July 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 24, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 24, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 24, 2003
GrantedNo grant recorded
Term endedJuly 24, 2023
Patent numberCA 2493272 A1
Classification (IPC)G06F17/30

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJuly 24, 2003Term endedJuly 24, 2023

Sources & verification

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