US Patent Class 324-- ELECTRICITY: MEASURING AND TESTING-- MAIN HEADINGS

US Patent Class 324
ELECTRICITY: MEASURING AND TESTING-- Main Headings

		CLASS NOTES
300	DF	PARTICLE PRECESSION RESONANCE {7}
323	DF	OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU {7}
376	DF	OF SUBSURFACE CORE SAMPLE {1}
378	DF	INTERNAL-COMBUSTION ENGINE IGNITION SYSTEM OR DEVICE {12}
403	DF	ELECTRIC LAMP OR DISCHARGE DEVICE {3}
415	DF	ELECTROMECHANICAL SWITCHING DEVICE {4}
425	DF	ELECTROLYTE PROPERTIES {3}
451	DF	A MATERIAL PROPERTY USING THERMOELECTRIC PHENOMENON
452	DF	A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON {4}
457	DF	ELECTROSTATIC FIELD {1}
459	DF	USING IONIZATION EFFECTS {2}
200	DF	MAGNETIC {24}
500	DF	FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS {10}
557	DF	FOR INSULATION FAULT OF NONCIRCUIT ELEMENTS {2}
600	DF	IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS {8}
66	DF	CONDUCTOR IDENTIFICATION OR LOCATION (E.G., PHASE IDENTIFICATION) {1}
160	DF	ELECTRICAL SPEED MEASURING {7}
71.1	DF	DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES {5}
72	DF	TESTING POTENTIAL IN SPECIFIC ENVIRONMENT (E.G., LIGHTNING STROKE) {1}
73.1	DF	PLURAL, AUTOMATICALLY SEQUENTIAL TESTS
74	DF	TESTING AND CALIBRATING ELECTRIC METERS (E.G., WATT-HOUR METERS) {1}
76.11	DF	MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
158.1	DF	MISCELLANEOUS
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		CROSS-REFERENCE ART COLLECTION
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800	DF	DIVINING RODS