Computerized utility cost estimation method and system
CA 2383801 A1 · Owner: Ellis, David D. · Inventors: Ellis, David D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method, system and computer program device for cost, estimation relating to utility usage and utility billing. Utility information concerning usage of, utilities is collected and a report is provided of actual and/or estimated usage and/or cost of, utility resources. Information is stored relating to customers one or more , utilities relating to the customer, as well as a variety of rules that may be applied by the utilities for the customers, depending on various situations in determining the utility information and the costs thereof. Measurement related information and/or estimate related information is collected, representative, of the utility usage and the …
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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 April 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 26, 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.