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Classification Resources
 
Class   324ELECTRICITY: MEASURING AND TESTING
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[List of Pre Grant Publications for class 324 subclass 300][List of Patents for class 324 subclass 300]300 PARTICLE PRECESSION RESONANCE
[List of Pre Grant Publications for class 324 subclass 323][List of Patents for class 324 subclass 323]323 OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU
[List of Pre Grant Publications for class 324 subclass 324][List of Patents for class 324 subclass 324]324 Subclass 324 indent level is 1 Including borehole fluid investigation
[List of Pre Grant Publications for class 324 subclass 326][List of Patents for class 324 subclass 326]326 Subclass 326 indent level is 1 For small object detection or location
[List of Pre Grant Publications for class 324 subclass 330][List of Patents for class 324 subclass 330]330 Subclass 330 indent level is 1 By aerial survey
[List of Pre Grant Publications for class 324 subclass 332][List of Patents for class 324 subclass 332]332 Subclass 332 indent level is 1 With radiant energy or nonconductive-type transmitter
 [List of Pre Grant Publications for class 324 subclass 344][List of Patents for class 324 subclass 344]344 Subclass 344 indent level is 1 With radiant energy or nonconductive-type receiver
[List of Pre Grant Publications for class 324 subclass 345][List of Patents for class 324 subclass 345]345 Subclass 345 indent level is 1 By magnetic means
[List of Pre Grant Publications for class 324 subclass 347][List of Patents for class 324 subclass 347]347 Subclass 347 indent level is 1 Using electrode arrays, circuits, structure, or supports
[List of Pre Grant Publications for class 324 subclass 376][List of Patents for class 324 subclass 376]376 OF SUBSURFACE CORE SAMPLE
[List of Pre Grant Publications for class 324 subclass 378][List of Patents for class 324 subclass 378]378 INTERNAL-COMBUSTION ENGINE IGNITION SYSTEM OR DEVICE
[List of Pre Grant Publications for class 324 subclass 403][List of Patents for class 324 subclass 403]403 ELECTRIC LAMP OR DISCHARGE DEVICE
[List of Pre Grant Publications for class 324 subclass 415][List of Patents for class 324 subclass 415]415 ELECTROMECHANICAL SWITCHING DEVICE
[List of Pre Grant Publications for class 324 subclass 425][List of Patents for class 324 subclass 425]425 ELECTROLYTE PROPERTIES
 [List of Pre Grant Publications for class 324 subclass 451][List of Patents for class 324 subclass 451]451 A MATERIAL PROPERTY USING THERMOELECTRIC PHENOMENON
[List of Pre Grant Publications for class 324 subclass 452][List of Patents for class 324 subclass 452]452 A MATERIAL PROPERTY USING ELECTROSTATIC PHENOMENON
[List of Pre Grant Publications for class 324 subclass 457][List of Patents for class 324 subclass 457]457 ELECTROSTATIC FIELD
[List of Pre Grant Publications for class 324 subclass 459][List of Patents for class 324 subclass 459]459 USING IONIZATION EFFECTS
[List of Pre Grant Publications for class 324 subclass 200][List of Patents for class 324 subclass 200]200 MAGNETIC
 [List of Pre Grant Publications for class 324 subclass 201][List of Patents for class 324 subclass 201]201 Subclass 201 indent level is 1 Susceptibility
 [List of Pre Grant Publications for class 324 subclass 202][List of Patents for class 324 subclass 202]202 Subclass 202 indent level is 1 Calibration
 [List of Pre Grant Publications for class 324 subclass 203][List of Patents for class 324 subclass 203]203 Subclass 203 indent level is 1 Curie point determination
 [List of Pre Grant Publications for class 324 subclass 204][List of Patents for class 324 subclass 204]204 Subclass 204 indent level is 1 Fluid material examination
 [List of Pre Grant Publications for class 324 subclass 205][List of Patents for class 324 subclass 205]205 Subclass 205 indent level is 1 Permanent magnet testing
 [List of Pre Grant Publications for class 324 subclass 206][List of Patents for class 324 subclass 206]206 Subclass 206 indent level is 1 Movable random length material measurement
[List of Pre Grant Publications for class 324 subclass 207.11][List of Patents for class 324 subclass 207.11]207.11 Subclass 207.11 indent level is 1 Displacement
 [List of Pre Grant Publications for class 324 subclass 209][List of Patents for class 324 subclass 209]209 Subclass 209 indent level is 1 Stress in material measurement
[List of Pre Grant Publications for class 324 subclass 210][List of Patents for class 324 subclass 210]210 Subclass 210 indent level is 1 Magnetic information storage element testing
 [List of Pre Grant Publications for class 324 subclass 213][List of Patents for class 324 subclass 213]213 Subclass 213 indent level is 1 Magnetic recording medium on magnetized object records object field
[List of Pre Grant Publications for class 324 subclass 214][List of Patents for class 324 subclass 214]214 Subclass 214 indent level is 1 By paramagnetic particles
[List of Pre Grant Publications for class 324 subclass 217][List of Patents for class 324 subclass 217]217 Subclass 217 indent level is 1 Railroad rail flaw testing
[List of Pre Grant Publications for class 324 subclass 219][List of Patents for class 324 subclass 219]219 Subclass 219 indent level is 1 Magnetic sensor within material
 [List of Pre Grant Publications for class 324 subclass 222][List of Patents for class 324 subclass 222]222 Subclass 222 indent level is 1 Hysteresis or eddy current loss testing
 [List of Pre Grant Publications for class 324 subclass 223][List of Patents for class 324 subclass 223]223 Subclass 223 indent level is 1 Hysteresis loop curve display or recording
 [List of Pre Grant Publications for class 324 subclass 224][List of Patents for class 324 subclass 224]224 Subclass 224 indent level is 1 With temperature control of material or element of test circuit
 [List of Pre Grant Publications for class 324 subclass 225][List of Patents for class 324 subclass 225]225 Subclass 225 indent level is 1 With compensation for test variable
 [List of Pre Grant Publications for class 324 subclass 226][List of Patents for class 324 subclass 226]226 Subclass 226 indent level is 1 Combined
 [List of Pre Grant Publications for class 324 subclass 227][List of Patents for class 324 subclass 227]227 Subclass 227 indent level is 1 Plural tests
[List of Pre Grant Publications for class 324 subclass 228][List of Patents for class 324 subclass 228]228 Subclass 228 indent level is 1 With means to create magnetic field to test material
[List of Pre Grant Publications for class 324 subclass 244][List of Patents for class 324 subclass 244]244 Subclass 244 indent level is 1 Magnetometers
[List of Pre Grant Publications for class 324 subclass 260][List of Patents for class 324 subclass 260]260 Subclass 260 indent level is 1 Magnetic field detection devices
 [List of Pre Grant Publications for class 324 subclass 262][List of Patents for class 324 subclass 262]262 Subclass 262 indent level is 1 Magnetic test structure elements
 [List of Pre Grant Publications for class 324 subclass 263][List of Patents for class 324 subclass 263]263 Subclass 263 indent level is 1 Current through test material forms test magnetic field
[List of Pre Grant Publications for class 324 subclass 500][List of Patents for class 324 subclass 500]500 FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS
 [List of Pre Grant Publications for class 324 subclass 501][List of Patents for class 324 subclass 501]501 Subclass 501 indent level is 1 Using radiant energy
 [List of Pre Grant Publications for class 324 subclass 502][List of Patents for class 324 subclass 502]502 Subclass 502 indent level is 1 In an ignitor or detonator
[List of Pre Grant Publications for class 324 subclass 503][List of Patents for class 324 subclass 503]503 Subclass 503 indent level is 1 In vehicle wiring
[List of Pre Grant Publications for class 324 subclass 506][List of Patents for class 324 subclass 506]506 Subclass 506 indent level is 1 Combined with a flashlight
 [List of Pre Grant Publications for class 324 subclass 508][List of Patents for class 324 subclass 508]508 Subclass 508 indent level is 1 With electric power receptacle for line wire testing
[List of Pre Grant Publications for class 324 subclass 509][List of Patents for class 324 subclass 509]509 Subclass 509 indent level is 1 Of ground fault indication
 [List of Pre Grant Publications for class 324 subclass 511][List of Patents for class 324 subclass 511]511 Subclass 511 indent level is 1 Of electrically operated apparatus (power tool, appliance, machine, etc.)
[List of Pre Grant Publications for class 324 subclass 512][List of Patents for class 324 subclass 512]512 Subclass 512 indent level is 1 For fault location
[List of Pre Grant Publications for class 324 subclass 537][List of Patents for class 324 subclass 537]537 Subclass 537 indent level is 1 Of individual circuit component or element
[List of Pre Grant Publications for class 324 subclass 750.01][List of Patents for class 324 subclass 750.01]750.01 Subclass 750.01 indent level is 2 Measurement or control of test condition
 [List of Pre Grant Publications for class 324 subclass 750.14][List of Patents for class 324 subclass 750.14]750.14 Subclass 750.14 indent level is 2 Environmental control
 [List of Pre Grant Publications for class 324 subclass 750.15][List of Patents for class 324 subclass 750.15]750.15 Subclass 750.15 indent level is 2 With identification on device under test (DUT)
[List of Pre Grant Publications for class 324 subclass 750.16][List of Patents for class 324 subclass 750.16]750.16 Subclass 750.16 indent level is 2 Relative positioning or alignment of device under test and test structure
[List of Pre Grant Publications for class 324 subclass 750.26][List of Patents for class 324 subclass 750.26]750.26 Subclass 750.26 indent level is 2 Shielding or casing of device under test or of test structure
 [List of Pre Grant Publications for class 324 subclass 750.3][List of Patents for class 324 subclass 750.3]750.3 Subclass 750.3 indent level is 2 Built-in test circuit
[List of Pre Grant Publications for class 324 subclass 754.01][List of Patents for class 324 subclass 754.01]754.01 Subclass 754.01 indent level is 2 Test probe techniques
[List of Pre Grant Publications for class 324 subclass 755.01][List of Patents for class 324 subclass 755.01]755.01 Subclass 755.01 indent level is 2 Probe structure
[List of Pre Grant Publications for class 324 subclass 756.01][List of Patents for class 324 subclass 756.01]756.01 Subclass 756.01 indent level is 2 Support for device under test or test structure
[List of Pre Grant Publications for class 324 subclass 757.01][List of Patents for class 324 subclass 757.01]757.01 Subclass 757.01 indent level is 2 Transporting or conveying the device under test to the testing station
[List of Pre Grant Publications for class 324 subclass 758.01][List of Patents for class 324 subclass 758.01]758.01 Subclass 758.01 indent level is 2 Cleaning probe or device under test
[List of Pre Grant Publications for class 324 subclass 759.01][List of Patents for class 324 subclass 759.01]759.01 Subclass 759.01 indent level is 2 After-test activity
[List of Pre Grant Publications for class 324 subclass 760.01][List of Patents for class 324 subclass 760.01]760.01 Subclass 760.01 indent level is 2 Test of liquid crystal device
 [List of Pre Grant Publications for class 324 subclass 761.01][List of Patents for class 324 subclass 761.01]761.01 Subclass 761.01 indent level is 2 Test of solar cell
[List of Pre Grant Publications for class 324 subclass 762.01][List of Patents for class 324 subclass 762.01]762.01 Subclass 762.01 indent level is 2 Test of semiconductor device
[List of Pre Grant Publications for class 324 subclass 763.01][List of Patents for class 324 subclass 763.01]763.01 Subclass 763.01 indent level is 2 Printed circuit board
 [List of Pre Grant Publications for class 324 subclass 764.01][List of Patents for class 324 subclass 764.01]764.01 Subclass 764.01 indent level is 2 Power supply
 [List of Pre Grant Publications for class 324 subclass 765.01][List of Patents for class 324 subclass 765.01]765.01 Subclass 765.01 indent level is 2 Motor or generator fault
 [List of Pre Grant Publications for class 324 subclass 538][List of Patents for class 324 subclass 538]538 Subclass 538 indent level is 2 Electrical connectors
[List of Pre Grant Publications for class 324 subclass 539][List of Patents for class 324 subclass 539]539 Subclass 539 indent level is 2 Multiconductor cable
[List of Pre Grant Publications for class 324 subclass 543][List of Patents for class 324 subclass 543]543 Subclass 543 indent level is 2 Single conductor cable
 [List of Pre Grant Publications for class 324 subclass 545][List of Patents for class 324 subclass 545]545 Subclass 545 indent level is 2 Armature or rotor
[List of Pre Grant Publications for class 324 subclass 546][List of Patents for class 324 subclass 546]546 Subclass 546 indent level is 2 Winding or coil
 [List of Pre Grant Publications for class 324 subclass 548][List of Patents for class 324 subclass 548]548 Subclass 548 indent level is 2 Capacitor
 [List of Pre Grant Publications for class 324 subclass 549][List of Patents for class 324 subclass 549]549 Subclass 549 indent level is 2 Resistor
 [List of Pre Grant Publications for class 324 subclass 550][List of Patents for class 324 subclass 550]550 Subclass 550 indent level is 2 Fuse
[List of Pre Grant Publications for class 324 subclass 551][List of Patents for class 324 subclass 551]551 Subclass 551 indent level is 2 Insulation
[List of Pre Grant Publications for class 324 subclass 555][List of Patents for class 324 subclass 555]555 Subclass 555 indent level is 1 Instruments and devices for fault testing
[List of Pre Grant Publications for class 324 subclass 557][List of Patents for class 324 subclass 557]557 FOR INSULATION FAULT OF NONCIRCUIT ELEMENTS
[List of Pre Grant Publications for class 324 subclass 600][List of Patents for class 324 subclass 600]600 IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS
 [List of Pre Grant Publications for class 324 subclass 601][List of Patents for class 324 subclass 601]601 Subclass 601 indent level is 1 Calibration
[List of Pre Grant Publications for class 324 subclass 602][List of Patents for class 324 subclass 602]602 Subclass 602 indent level is 1 With auxiliary means to condition stimulus/response signals
[List of Pre Grant Publications for class 324 subclass 612][List of Patents for class 324 subclass 612]612 Subclass 612 indent level is 1 Parameter related to the reproduction or fidelity of a signal affected by a circuit under test
[List of Pre Grant Publications for class 324 subclass 629][List of Patents for class 324 subclass 629]629 Subclass 629 indent level is 1 Distributive type parameters
[List of Pre Grant Publications for class 324 subclass 649][List of Patents for class 324 subclass 649]649 Subclass 649 indent level is 1 Lumped type parameters
[List of Pre Grant Publications for class 324 subclass 650][List of Patents for class 324 subclass 650]650 Subclass 650 indent level is 2 Using phasor or vector analysis
 [List of Pre Grant Publications for class 324 subclass 652][List of Patents for class 324 subclass 652]652 Subclass 652 indent level is 2 Of a resonant circuit
 [List of Pre Grant Publications for class 324 subclass 653][List of Patents for class 324 subclass 653]653 Subclass 653 indent level is 2 For figure of merit or Q value
[List of Pre Grant Publications for class 324 subclass 654][List of Patents for class 324 subclass 654]654 Subclass 654 indent level is 2 Using inductive type measurement
[List of Pre Grant Publications for class 324 subclass 658][List of Patents for class 324 subclass 658]658 Subclass 658 indent level is 2 Using capacitive type measurement
[List of Pre Grant Publications for class 324 subclass 691][List of Patents for class 324 subclass 691]691 Subclass 691 indent level is 2 Using resistance or conductance measurement
 [List of Pre Grant Publications for class 324 subclass 725][List of Patents for class 324 subclass 725]725 Subclass 725 indent level is 1 Using a particular bridge circuit
 [List of Pre Grant Publications for class 324 subclass 726][List of Patents for class 324 subclass 726]726 Subclass 726 indent level is 1 Transformer testing (e.g., ratio)
 [List of Pre Grant Publications for class 324 subclass 727][List of Patents for class 324 subclass 727]727 Subclass 727 indent level is 1 Piezoelectric crystal testing (e.g., frequency, resistance)
[List of Pre Grant Publications for class 324 subclass 66][List of Patents for class 324 subclass 66]66 CONDUCTOR IDENTIFICATION OR LOCATION (E.G., PHASE IDENTIFICATION)
[List of Pre Grant Publications for class 324 subclass 160][List of Patents for class 324 subclass 160]160 ELECTRICAL SPEED MEASURING
[List of Pre Grant Publications for class 324 subclass 71.1][List of Patents for class 324 subclass 71.1]71.1 DETERMINING NONELECTRIC PROPERTIES BY MEASURING ELECTRIC PROPERTIES
[List of Pre Grant Publications for class 324 subclass 72][List of Patents for class 324 subclass 72]72 TESTING POTENTIAL IN SPECIFIC ENVIRONMENT (E.G., LIGHTNING STROKE)
 [List of Pre Grant Publications for class 324 subclass 73.1][List of Patents for class 324 subclass 73.1]73.1 PLURAL, AUTOMATICALLY SEQUENTIAL TESTS
[List of Pre Grant Publications for class 324 subclass 74][List of Patents for class 324 subclass 74]74 TESTING AND CALIBRATING ELECTRIC METERS (E.G., WATT-HOUR METERS)
[List of Pre Grant Publications for class 324 subclass 76.11][List of Patents for class 324 subclass 76.11]76.11 MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE
[List of Pre Grant Publications for class 324 subclass 76.12][List of Patents for class 324 subclass 76.12]76.12 Subclass 76.12 indent level is 1 Analysis of complex waves
[List of Pre Grant Publications for class 324 subclass 76.39][List of Patents for class 324 subclass 76.39]76.39 Subclass 76.39 indent level is 1 Frequency of cyclic current or voltage (e.g., cyclic counting etc.)
[List of Pre Grant Publications for class 324 subclass 76.77][List of Patents for class 324 subclass 76.77]76.77 Subclass 76.77 indent level is 1 Phase comparison (e.g., between cyclic pulse voltage and sinusoidal current, etc.)
[List of Pre Grant Publications for class 324 subclass 92][List of Patents for class 324 subclass 92]92 Subclass 92 indent level is 1 Fluid (e.g., thermal expansion)
 [List of Pre Grant Publications for class 324 subclass 95][List of Patents for class 324 subclass 95]95 Subclass 95 indent level is 1 With waveguide or long line
[List of Pre Grant Publications for class 324 subclass 96][List of Patents for class 324 subclass 96]96 Subclass 96 indent level is 1 Using radiant energy
[List of Pre Grant Publications for class 324 subclass 98][List of Patents for class 324 subclass 98]98 Subclass 98 indent level is 1 Balancing (e.g., known/unknown voltage comparison, bridge, rebalancing)
 [List of Pre Grant Publications for class 324 subclass 101][List of Patents for class 324 subclass 101]101 Subclass 101 indent level is 1 Non-rebalancing bridge
 [List of Pre Grant Publications for class 324 subclass 102][List of Patents for class 324 subclass 102]102 Subclass 102 indent level is 1 Transient or portion of cyclic
[List of Pre Grant Publications for class 324 subclass 103R][List of Patents for class 324 subclass 103R]  103R Subclass 103R indent level is 1 Demand, excess, maximum or minimum (e.g., separate meters for positive and negative power, peak voltmeter)
[List of Pre Grant Publications for class 324 subclass 105][List of Patents for class 324 subclass 105]105 Subclass 105 indent level is 1 Thermal (e.g., compensation)
[List of Pre Grant Publications for class 324 subclass 107][List of Patents for class 324 subclass 107]107 Subclass 107 indent level is 1 Polyphase
 [List of Pre Grant Publications for class 324 subclass 109][List of Patents for class 324 subclass 109]109 Subclass 109 indent level is 1 Electrostatic attraction or piezoelectric
 [List of Pre Grant Publications for class 324 subclass 110][List of Patents for class 324 subclass 110]110 Subclass 110 indent level is 1 Meter protection or fraud combatting
[List of Pre Grant Publications for class 324 subclass 111][List of Patents for class 324 subclass 111]111 Subclass 111 indent level is 1 With storage means for voltage or current (e.g., condenser banks)
 [List of Pre Grant Publications for class 324 subclass 113][List of Patents for class 324 subclass 113]113 Subclass 113 indent level is 1 Recording
 [List of Pre Grant Publications for class 324 subclass 114][List of Patents for class 324 subclass 114]114 Subclass 114 indent level is 1 Plural meters (e.g., plural movements in one case)
[List of Pre Grant Publications for class 324 subclass 115][List of Patents for class 324 subclass 115]115 Subclass 115 indent level is 1 Plural ranges, scales or registration rates
[List of Pre Grant Publications for class 324 subclass 117R][List of Patents for class 324 subclass 117R]  117R Subclass 117R indent level is 1 Magnetic saturation (e.g., in field or in amplifier)
 [List of Pre Grant Publications for class 324 subclass 118][List of Patents for class 324 subclass 118]118 Subclass 118 indent level is 1 Modulator/demodulator
 [List of Pre Grant Publications for class 324 subclass 119][List of Patents for class 324 subclass 119]119 Subclass 119 indent level is 1 With rectifier (e.g., A.C. to D.C.)
 [List of Pre Grant Publications for class 324 subclass 120][List of Patents for class 324 subclass 120]120 Subclass 120 indent level is 1 With voltage or current conversion (e.g., D.C. to A.C., 60 to 1000)
[List of Pre Grant Publications for class 324 subclass 121R][List of Patents for class 324 subclass 121R]  121R Subclass 121R indent level is 1 Cathode ray (e.g., magic eye)
 [List of Pre Grant Publications for class 324 subclass 122][List of Patents for class 324 subclass 122]122 Subclass 122 indent level is 1 Gaseous discharge (e.g., spark gap voltmeter)
[List of Pre Grant Publications for class 324 subclass 123R][List of Patents for class 324 subclass 123R]  123R Subclass 123R indent level is 1 With amplifier or space discharge device
 [List of Pre Grant Publications for class 324 subclass 125][List of Patents for class 324 subclass 125]125 Subclass 125 indent level is 1 Inertia control, instrument damping and vibration damping
[List of Pre Grant Publications for class 324 subclass 126][List of Patents for class 324 subclass 126]126 Subclass 126 indent level is 1 With coupling means (e.g., attenuator, shunt)
 [List of Pre Grant Publications for class 324 subclass 129][List of Patents for class 324 subclass 129]129 Subclass 129 indent level is 1 Polepiece (e.g., split) admits nonunitary input conductor
 [List of Pre Grant Publications for class 324 subclass 130][List of Patents for class 324 subclass 130]130 Subclass 130 indent level is 1 Self-calibration
 [List of Pre Grant Publications for class 324 subclass 131][List of Patents for class 324 subclass 131]131 Subclass 131 indent level is 1 Suppressed zero
 [List of Pre Grant Publications for class 324 subclass 132][List of Patents for class 324 subclass 132]132 Subclass 132 indent level is 1 Nonlinear (e.g., Thyrite)
 [List of Pre Grant Publications for class 324 subclass 133][List of Patents for class 324 subclass 133]133 Subclass 133 indent level is 1 Nonquantitative (e.g., hot-line indicator, polarity tester)
[List of Pre Grant Publications for class 324 subclass 134][List of Patents for class 324 subclass 134]134 Subclass 134 indent level is 1 With commutator or reversing or pulsating switch (e.g., D.C. watt-hour meter)
 [List of Pre Grant Publications for class 324 subclass 136][List of Patents for class 324 subclass 136]136 Subclass 136 indent level is 1 With rolling wheel or ball (e.g., transmission, integrating)
[List of Pre Grant Publications for class 324 subclass 137][List of Patents for class 324 subclass 137]137 Subclass 137 indent level is 1 Eddy current rotor (e.g., A.C. integrating wattmeter)
 [List of Pre Grant Publications for class 324 subclass 139][List of Patents for class 324 subclass 139]139 Subclass 139 indent level is 1 Motor-driven, time-controlled or oscillating (e.g., ratchet)
[List of Pre Grant Publications for class 324 subclass 140R][List of Patents for class 324 subclass 140R]  140R Subclass 140R indent level is 1 Plural inputs (e.g., summation, ratio)
 [List of Pre Grant Publications for class 324 subclass 143][List of Patents for class 324 subclass 143]143 Subclass 143 indent level is 1 Plural active motor elements (e.g., for two crossed pointers)
[List of Pre Grant Publications for class 324 subclass 144][List of Patents for class 324 subclass 144]144 Subclass 144 indent level is 1 With electromagnetic field (e.g., dynamometer)
 [List of Pre Grant Publications for class 324 subclass 149][List of Patents for class 324 subclass 149]149 Subclass 149 indent level is 1 With probe, prod or terminals
 [List of Pre Grant Publications for class 324 subclass 150][List of Patents for class 324 subclass 150]150 Subclass 150 indent level is 1 Eccentrically pivoted coil
[List of Pre Grant Publications for class 324 subclass 151R][List of Patents for class 324 subclass 151R]  151R Subclass 151R indent level is 1 With permanent magnet
 [List of Pre Grant Publications for class 324 subclass 153][List of Patents for class 324 subclass 153]153 Subclass 153 indent level is 1 With register
[List of Pre Grant Publications for class 324 subclass 154R][List of Patents for class 324 subclass 154R]  154R Subclass 154R indent level is 1 With rotor (e.g., filar suspension, zero set, balancing)
 [List of Pre Grant Publications for class 324 subclass 156][List of Patents for class 324 subclass 156]156 Subclass 156 indent level is 1 Casings
 [List of Pre Grant Publications for class 324 subclass 157][List of Patents for class 324 subclass 157]157 Subclass 157 indent level is 1 Combined
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 324 subclass 800][List of Patents for class 324 subclass 800]800 DIVINING RODS
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
     FAULT DETECTING IN ELECTRIC CIRCUITS AND OF ELECTRIC COMPONENTS(324/500)
     Subclass  indent level is 1 Of individual circuit component or element(324/537)
     OF GEOPHYSICAL SURFACE OR SUBSURFACE IN SITU (324/323)
     Subclass  indent level is 1 Using electrode arrays, circuits, structure, or supports (324/347)
  FOR104          Subclass FOR104 indent level is 2 With probe elements (324/754)
      FOR105          Subclass FOR105 indent level is 3 Internal of or on support for device under test (DUT): (324/755)
      FOR106          Subclass FOR106 indent level is 3 Contact confirmation (324/756)
      FOR107          Subclass FOR107 indent level is 3 Probe contact enhancement (324/757)
      FOR108          Subclass FOR108 indent level is 3 Probe alignment or positioning (324/758)
      FOR109          Subclass FOR109 indent level is 3 With recording of test results on DUT (324/759)
      FOR110          Subclass FOR110 indent level is 3 With temperature control (324/760)
      FOR111          Subclass FOR111 indent level is 3 Pin (324/761)
      FOR112          Subclass FOR112 indent level is 3 Cantilever (324/762)
      FOR113          Subclass FOR113 indent level is 2 DUT including test circuit (324/763)
      FOR114          Subclass FOR114 indent level is 2 With identification of DUT (324/764)
  FOR115          Subclass FOR115 indent level is 2 Test of semiconductor device (324/765)
  FOR116          Subclass FOR116 indent level is 3 With barrier layer (324/766)
      FOR117          Subclass FOR117 indent level is 4 Diode (324/767)
      FOR118          Subclass FOR118 indent level is 4 Bipolar transistor (324/768)
      FOR119          Subclass FOR119 indent level is 4 Field effect transistor (324/769)
      FOR120          Subclass FOR120 indent level is 2 Liquid crystal device test (324/770)
      FOR121          Subclass FOR121 indent level is 2 Power supply test (324/771)
      FOR122          Subclass FOR122 indent level is 2 Motor or generator fault tests (324/772)
      FOR123          MISCELLANEOUS (324/158.1)