Electric motor
CA 2350491 A1 · Owner: Merlex Corporation Pty Ltd. · Inventors: Paoliello, Angelo; Revill, Christopher Paul; Laithwaite, Eric Roberts (Deceased)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electric motor (10) includes a magnet (12) in the form of a cockcroft ring provided with a circumferential air gap (18) through which lines of magnetic flux extend. A planar disc (14) is provided that is capable of two dimensional motion relative to the magnet (12). Disc (14) is provided with a number of electrically conductive paths (C) each of which has a segment (16) that cuts across the lines of magnetic flux in the air gap (18). A multi-phase transformer (40) having a number of windows (42) is arranged so that each path (C) is linked with at least one of the windows (42). The multi-phase transformer (40) induces currents to flow in the respective conductive paths (C) and thus …
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 November 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 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.