A method and apparatus for reading and controlling electric power consumption
CA 2451671 A1 · Owner: Hunter, Robert R. · Inventors: Hunter, Robert R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electro-optical, automatic reader (104) for enabling a consumer to view and manage power consumption through a browser (602). A sensor (210) attached to a bracket (202) is mounted to the outside cover (306) of a utility meter without modification of the meter (102) or removal of its housing. A data-collector (106) stores data obtained from the sensor (210) via a serial port which may also provide power for the sensor (210) thus avoiding use of a dedicated , power supply. The data-collector (106) connects to a computer (110) which provides a centralized object through which to view and manage power consumption. The real-time and combined historic data can be used to forecast …
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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 June 28, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 28, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2024.
- 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.