Apparatus and method of powering light source
CA 2423202 A1 · Owner: Minalga, Philip F. · Inventors: Hornick, George Michael; Minalga, Philip F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method of powering a light source are provided. The apparatus includes a motor a voltage stabilizing circuit, and a light source. The motor includes a field assembly and an armature assembly. The field assembly, includes an intermediate tap on a field winding that forms a variable field winding, power source. The stabilizing circuit connects to the intermediate tap and includes, a voltage regulator having an output that is connected to a light source to be stabilized.
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 March 24, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 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.