Load power reduction control and supply system
CA 2259055 A1 · Owner: Poletti, Franco · Inventors: Poletti, Franco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a load voltage and power control and supply system for the supply of power to a load for which over, particular periods of time, usually on a daily basis it is, desired to reduce power. The invention has particular application to street lighting systems in which for a period of, several hours during the night (when traffic is minimal and many people are asleep), the luminaires of the lighting system can operate at reduced power. The power control system is able to act as a voltage stabilizer as well as a controlled power reduction system. The power control system may operate the bank of spaced luminaires from a single control location. Moderately reduced power (say a 30% …
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 January 14, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2021.
- 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.