Power outage alert electronic device
CA 2436294 A1 · Owner: Lelecas, Michael · Inventors: Lelecas, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electronic devices that provide notification of and data about power outages. The devices include a voltage input receiver for receiving voltage from a power, source; a voltage monitor for monitoring a reference voltage that is received from, the power source; a change in voltage detector for detecting a change in the reference voltage with respect to a threshold voltage; a microprocessor; a programmable real-time clock to provide current date and time data; input/output, devices for communicating data to the microprocessor; a display to display data, transmitted by the microprocessor; and an auxiliary energy power supply that provides power to the device during any power outage. During …
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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 31, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 31, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 31, 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.
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.