US PATENT SUBCLASS 104 / 283
.~ By permanent magnets only

Current as of: June, 1999
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104 /   HD   RAILWAYS

281  DF  MAGNETICALLY SUSPENDED CAR {5}
283.~ By permanent magnets only

DEFINITION

Classification: 104/283

By permanent magnets only:

(under subclass 281) Apparatus wherein the magnetic field is caused solely by material on the vehicle or guideway having inherent magnetic characteristics, rather than by an electric current.