Linear motor
CA 1283684 C · Owner: Nikura, Hideo · Inventors: Nikura, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A linear motor comprises a first yoke a second yoke, spaced apart the width of a first gap from the first yoke,a current-carrying coil surrounding at least one of the first yoke and the second yoke, a magnet spaced apart the width of a second gap from the first and second yokes, and the end portion of the magnet extending over the first gap from one of the first yoke and the second yoke to the other thereof when the magnet is in a, starting position or in an initial position whereby a relative, movement between the magnet and the first and second yokes are obtained.
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
- Granted April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- 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.