Patent Yard Sign in
Expired Canadian patentCanada

Composite energy emission information system for improved safety to site personnel

CA 2484717 C · Owner: Williams, Douglas M. · Inventors: Williams, Douglas M.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A method of using information about the public telecommunications industry comprises , establishing a computer accessible database storing energy transmissions information , including site specific physical locations and utilization characteristics of wireless , transmitting facilities that are currently operating in the public telecommunications , industry, providing Internet access to the database information to registered users and , preparing and downloading MPE overlay maps EME dispersion simulation , information and utilization characteristics reports from the database information of the site specific , locations, upon request by the registered users. Site specific …

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 October 13, 2004 and granted December 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 2024.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 13, 2004
GrantedDecember 2, 2014
Term endedOctober 13, 2024
Patent numberCA 2484717 C
Classification (IPC)H04W24/00 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedOct 13, 2004Patent grantedDec 2, 2014Term endedOct 13, 2024

Sources & verification

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