(definitions have been obtained from the Patents ASSIST CD-ROM which is produced by the U.S. Patent and Trademark Office Electronic Products Branch) Class 335 ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS Class Definition: This class is restricted to the structure of electric current switching devices or relays of general application for closing or opening electrical circuits which devices are magnetically operated or to magnet structure, per se, either electromagnets or permanent magnets, adapted for use as a source of magnetic flux for performing external work.
(either electromagnets or permanent magnets; adapted; for use as a source of magnetic flux for performing external work) (the Patents ASSIST CD-ROM; is produced; by the U.S. Patent and Trademark Office Electronic Products Branch) Class 335 ELECTRICITY) (This class; is restricted; to the structure of electric current switching devices or relays of general application for closing or opening electrical circuits) (electrical circuits; are magnetically operated; )
either electromagnets or permanent magnets the Patents ASSIST CD-ROM This class electrical circuits
adapted is produced is restricted are magnetically operated
for use as a source of magnetic flux for performing external work
by the U.S. Patent and Trademark Office Electronic Products Branch) Class 335 ELECTRICITY
to the structure of electric current switching devices or relays of general application for closing or opening electrical circuits