US PATENT SUBCLASS 505 / 879
.~ Magnet or electromagnet: (Class 335/216)

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
879.~ Magnet or electromagnet: (Class 335/216)

DEFINITION

Classification: 505/879

Magnet or electromagnet: (Class 335/216):

(under subclass 825) Subject matter comprising, (a) structure of permanent magnets, electromagnets, or a combination of the two types, or (b) magnets or electromagnets adapted for use as a source of magnetic flux for performing mechanical work.