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Classification Resources
 
Class   340COMMUNICATIONS: ELECTRICAL
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[List of Pre Grant Publications for class 340 subclass 850][List of Patents for class 340 subclass 850]850 UNDERWATER
[List of Pre Grant Publications for class 340 subclass 853.1][List of Patents for class 340 subclass 853.1]853.1 WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.)
 [List of Pre Grant Publications for class 340 subclass 853.2][List of Patents for class 340 subclass 853.2]853.2 Subclass 853.2 indent level is 1 Diagnostic monitoring or detecting operation of communications equipment or signal
[List of Pre Grant Publications for class 340 subclass 853.3][List of Patents for class 340 subclass 853.3]853.3 Subclass 853.3 indent level is 1 Selective control of subsurface equipment
 [List of Pre Grant Publications for class 340 subclass 853.7][List of Patents for class 340 subclass 853.7]853.7 Subclass 853.7 indent level is 1 Repeater in subsurface link (e.g., cable, etc.)
 [List of Pre Grant Publications for class 340 subclass 853.8][List of Patents for class 340 subclass 853.8]853.8 Subclass 853.8 indent level is 1 With orientation sensing of subsurface telemetering equipment (other than drilling equipment)
 [List of Pre Grant Publications for class 340 subclass 853.9][List of Patents for class 340 subclass 853.9]853.9 Subclass 853.9 indent level is 1 Including detail of subsurface signal storage (e.g., memory, recorder, register, etc.)
[List of Pre Grant Publications for class 340 subclass 854.1][List of Patents for class 340 subclass 854.1]854.1 Subclass 854.1 indent level is 1 With position or depth recording (e.g., line payout, equipment locator, etc.)
[List of Pre Grant Publications for class 340 subclass 854.3][List of Patents for class 340 subclass 854.3]854.3 Subclass 854.3 indent level is 1 Using a specific transmission medium (e.g., conductive fluid, annular spacing, etc.)
 [List of Pre Grant Publications for class 340 subclass 855.3][List of Patents for class 340 subclass 855.3]855.3 Subclass 855.3 indent level is 1 Multiplexed signals
[List of Pre Grant Publications for class 340 subclass 855.4][List of Patents for class 340 subclass 855.4]855.4 Subclass 855.4 indent level is 1 Pulse or digital signal transmission
 [List of Pre Grant Publications for class 340 subclass 855.7][List of Patents for class 340 subclass 855.7]855.7 Subclass 855.7 indent level is 1 Modification of signal bandwidth, frequency, or circuit impedance at subsurface location
[List of Pre Grant Publications for class 340 subclass 855.8][List of Patents for class 340 subclass 855.8]855.8 Subclass 855.8 indent level is 1 Including specified power transmission feature or source (e.g., battery, etc.)
 [List of Pre Grant Publications for class 340 subclass 856.1][List of Patents for class 340 subclass 856.1]856.1 Subclass 856.1 indent level is 1 In horizontal or inclined passage arrangement
 [List of Pre Grant Publications for class 340 subclass 856.2][List of Patents for class 340 subclass 856.2]856.2 Subclass 856.2 indent level is 1 With expandable or inflatable sensor element or mounting
[List of Pre Grant Publications for class 340 subclass 856.3][List of Patents for class 340 subclass 856.3]856.3 Subclass 856.3 indent level is 1 Including particular sensor
[List of Pre Grant Publications for class 340 subclass 870.01][List of Patents for class 340 subclass 870.01]870.01 CONTINUOUSLY VARIABLE INDICATING (E.G., TELEMETERING)
[List of Pre Grant Publications for class 340 subclass 870.02][List of Patents for class 340 subclass 870.02]870.02 Subclass 870.02 indent level is 1 With meter reading
 [List of Pre Grant Publications for class 340 subclass 870.04][List of Patents for class 340 subclass 870.04]870.04 Subclass 870.04 indent level is 1 With calibration
[List of Pre Grant Publications for class 340 subclass 870.05][List of Patents for class 340 subclass 870.05]870.05 Subclass 870.05 indent level is 1 With calculation
[List of Pre Grant Publications for class 340 subclass 870.07][List of Patents for class 340 subclass 870.07]870.07 Subclass 870.07 indent level is 1 Combined (TM system with other system)
 [List of Pre Grant Publications for class 340 subclass 870.1][List of Patents for class 340 subclass 870.1]870.1 Subclass 870.1 indent level is 1 For radio sonde
[List of Pre Grant Publications for class 340 subclass 870.11][List of Patents for class 340 subclass 870.11]870.11 Subclass 870.11 indent level is 1 Plural transmitters
[List of Pre Grant Publications for class 340 subclass 870.16][List of Patents for class 340 subclass 870.16]870.16 Subclass 870.16 indent level is 1 Condition responsive
[List of Pre Grant Publications for class 340 subclass 870.18][List of Patents for class 340 subclass 870.18]870.18 Subclass 870.18 indent level is 1 Using a particular modulation (e.g., phase, frequency, or amplitude)
 [List of Pre Grant Publications for class 340 subclass 870.25][List of Patents for class 340 subclass 870.25]870.25 Subclass 870.25 indent level is 1 Phase variation
 [List of Pre Grant Publications for class 340 subclass 870.26][List of Patents for class 340 subclass 870.26]870.26 Subclass 870.26 indent level is 1 Frequency variation
 [List of Pre Grant Publications for class 340 subclass 870.27][List of Patents for class 340 subclass 870.27]870.27 Subclass 870.27 indent level is 1 Plural circuits, each for particular magnitude
[List of Pre Grant Publications for class 340 subclass 870.28][List of Patents for class 340 subclass 870.28]870.28 Subclass 870.28 indent level is 1 Via radiant energy beam (via particular energy)
[List of Pre Grant Publications for class 340 subclass 870.3][List of Patents for class 340 subclass 870.3]870.3 Subclass 870.3 indent level is 1 With particular transmitter (e.g., piezoelectric, dynamo)
 [List of Pre Grant Publications for class 340 subclass 870.39][List of Patents for class 340 subclass 870.39]870.39 Subclass 870.39 indent level is 1 With supply voltage regulation or compensation
[List of Pre Grant Publications for class 340 subclass 870.4][List of Patents for class 340 subclass 870.4]870.4 Subclass 870.4 indent level is 1 With particular receiver (e.g., ratiometer)
[List of Pre Grant Publications for class 340 subclass 901][List of Patents for class 340 subclass 901]901 EXTERNAL CONDITION VEHICLE-MOUNTED INDICATOR OR ALARM
 [List of Pre Grant Publications for class 340 subclass 906][List of Patents for class 340 subclass 906]906 OVERRIDE OF TRAFFIC CONTROL INDICATOR BY COMMAND TRANSMITTER
[List of Pre Grant Publications for class 340 subclass 907][List of Patents for class 340 subclass 907]907 TRAFFIC CONTROL INDICATOR
 [List of Pre Grant Publications for class 340 subclass 932.2][List of Patents for class 340 subclass 932.2]932.2 VEHICLE PARKING INDICATORS
[List of Pre Grant Publications for class 340 subclass 933][List of Patents for class 340 subclass 933]933 VEHICLE DETECTORS
 [List of Pre Grant Publications for class 340 subclass 944][List of Patents for class 340 subclass 944]944 PEDESTRIAN GUIDANCE
[List of Pre Grant Publications for class 340 subclass 945][List of Patents for class 340 subclass 945]945 AIRCRAFT ALARM OR INDICATING SYSTEMS
[List of Pre Grant Publications for class 340 subclass 984][List of Patents for class 340 subclass 984]984 WATERCRAFT ALARM OR INDICATING SYSTEMS
[List of Pre Grant Publications for class 340 subclass 988][List of Patents for class 340 subclass 988]988 VEHICLE POSITION INDICATION
[List of Pre Grant Publications for class 340 subclass 425.5][List of Patents for class 340 subclass 425.5]425.5 LAND VEHICLE ALARMS OR INDICATORS
[List of Pre Grant Publications for class 340 subclass 426.1][List of Patents for class 340 subclass 426.1]426.1 Subclass 426.1 indent level is 1 Of burglary or unauthorized use
 [List of Pre Grant Publications for class 340 subclass 431][List of Patents for class 340 subclass 431]431 Subclass 431 indent level is 1 For trailer
 [List of Pre Grant Publications for class 340 subclass 432][List of Patents for class 340 subclass 432]432 Subclass 432 indent level is 1 For bicycle
 [List of Pre Grant Publications for class 340 subclass 433][List of Patents for class 340 subclass 433]433 Subclass 433 indent level is 1 For school bus
 [List of Pre Grant Publications for class 340 subclass 434][List of Patents for class 340 subclass 434]434 Subclass 434 indent level is 1 For taxi
 [List of Pre Grant Publications for class 340 subclass 435][List of Patents for class 340 subclass 435]435 Subclass 435 indent level is 1 Of relative distance from an obstacle
[List of Pre Grant Publications for class 340 subclass 436][List of Patents for class 340 subclass 436]436 Subclass 436 indent level is 1 Of collision or contact with external object
[List of Pre Grant Publications for class 340 subclass 438][List of Patents for class 340 subclass 438]438 Subclass 438 indent level is 1 Internal alarm or indicator responsive to a condition of the vehicle
[List of Pre Grant Publications for class 340 subclass 463][List of Patents for class 340 subclass 463]463 Subclass 463 indent level is 1 External alarm or indicator of movement
[List of Pre Grant Publications for class 340 subclass 468][List of Patents for class 340 subclass 468]468 Subclass 468 indent level is 1 External signal light system
[List of Pre Grant Publications for class 340 subclass 480][List of Patents for class 340 subclass 480]480 Subclass 480 indent level is 1 Electromagnetically actuated mechanical signal
 [List of Pre Grant Publications for class 340 subclass 146.2][List of Patents for class 340 subclass 146.2]146.2 DIGITAL COMPARATOR SYSTEMS
[List of Pre Grant Publications for class 340 subclass 500][List of Patents for class 340 subclass 500]500 CONDITION RESPONSIVE INDICATING SYSTEM
[List of Pre Grant Publications for class 340 subclass 501][List of Patents for class 340 subclass 501]501 Subclass 501 indent level is 1 With particular system function (e.g., temperature compensation, calibration)
[List of Pre Grant Publications for class 340 subclass 531][List of Patents for class 340 subclass 531]531 Subclass 531 indent level is 1 With particular coupling link
[List of Pre Grant Publications for class 340 subclass 540][List of Patents for class 340 subclass 540]540 Subclass 540 indent level is 1 Specific condition
[List of Pre Grant Publications for class 340 subclass 541][List of Patents for class 340 subclass 541]541 Subclass 541 indent level is 2 Intrusion detection
[List of Pre Grant Publications for class 340 subclass 568.1][List of Patents for class 340 subclass 568.1]568.1 Subclass 568.1 indent level is 2 Article placement or removal (e.g., anti-theft)
[List of Pre Grant Publications for class 340 subclass 573.1][List of Patents for class 340 subclass 573.1]573.1 Subclass 573.1 indent level is 2 Human or animal
[List of Pre Grant Publications for class 340 subclass 577][List of Patents for class 340 subclass 577]577 Subclass 577 indent level is 2 Flame
[List of Pre Grant Publications for class 340 subclass 580][List of Patents for class 340 subclass 580]580 Subclass 580 indent level is 2 Ice formation
[List of Pre Grant Publications for class 340 subclass 584][List of Patents for class 340 subclass 584]584 Subclass 584 indent level is 2 Thermal
 [List of Pre Grant Publications for class 340 subclass 600][List of Patents for class 340 subclass 600]600 Subclass 600 indent level is 2 Radiant energy
[List of Pre Grant Publications for class 340 subclass 601][List of Patents for class 340 subclass 601]601 Subclass 601 indent level is 2 Meteorological condition
[List of Pre Grant Publications for class 340 subclass 603][List of Patents for class 340 subclass 603]603 Subclass 603 indent level is 2 Fluent material
[List of Pre Grant Publications for class 340 subclass 635][List of Patents for class 340 subclass 635]635 Subclass 635 indent level is 2 Condition of electrical apparatus
[List of Pre Grant Publications for class 340 subclass 657][List of Patents for class 340 subclass 657]657 Subclass 657 indent level is 2 Electrical characteristic
[List of Pre Grant Publications for class 340 subclass 665][List of Patents for class 340 subclass 665]665 Subclass 665 indent level is 2 Force or stress
 [List of Pre Grant Publications for class 340 subclass 669][List of Patents for class 340 subclass 669]669 Subclass 669 indent level is 2 Acceleration
[List of Pre Grant Publications for class 340 subclass 670][List of Patents for class 340 subclass 670]670 Subclass 670 indent level is 2 Velocity
[List of Pre Grant Publications for class 340 subclass 673][List of Patents for class 340 subclass 673]673 Subclass 673 indent level is 2 Article transport
 [List of Pre Grant Publications for class 340 subclass 678][List of Patents for class 340 subclass 678]678 Subclass 678 indent level is 2 Of geometrical gauge
[List of Pre Grant Publications for class 340 subclass 679][List of Patents for class 340 subclass 679]679 Subclass 679 indent level is 2 Machine condition
[List of Pre Grant Publications for class 340 subclass 686.1][List of Patents for class 340 subclass 686.1]686.1 Subclass 686.1 indent level is 2 Position responsive
[List of Pre Grant Publications for class 340 subclass 691.1][List of Patents for class 340 subclass 691.1]691.1 Subclass 691.1 indent level is 1 Specified indicator structure
[List of Pre Grant Publications for class 340 subclass 693.1][List of Patents for class 340 subclass 693.1]693.1 Subclass 693.1 indent level is 1 Specified power supply
[List of Pre Grant Publications for class 340 subclass 693.5][List of Patents for class 340 subclass 693.5]693.5 Subclass 693.5 indent level is 1 Specified housing
[List of Pre Grant Publications for class 340 subclass 1.1][List of Patents for class 340 subclass 1.1]1.1 SELECTIVE
[List of Pre Grant Publications for class 340 subclass 2.1][List of Patents for class 340 subclass 2.1]2.1 Subclass 2.1 indent level is 1 Path selection
[List of Pre Grant Publications for class 340 subclass 3.1][List of Patents for class 340 subclass 3.1]3.1 Subclass 3.1 indent level is 1 Monitoring in addition to control (e.g., supervisory)
[List of Pre Grant Publications for class 340 subclass 4.1][List of Patents for class 340 subclass 4.1]4.1 Subclass 4.1 indent level is 1 Communication or control for the handicapped
[List of Pre Grant Publications for class 340 subclass 4.2][List of Patents for class 340 subclass 4.2]4.2 Subclass 4.2 indent level is 1 Synchronizing
[List of Pre Grant Publications for class 340 subclass 4.3][List of Patents for class 340 subclass 4.3]4.3 Subclass 4.3 indent level is 1 Program control
[List of Pre Grant Publications for class 340 subclass 4.4][List of Patents for class 340 subclass 4.4]4.4 Subclass 4.4 indent level is 1 Audio reproducing system (e.g., by pulse signal, etc.)
[List of Pre Grant Publications for class 340 subclass 4.5][List of Patents for class 340 subclass 4.5]4.5 Subclass 4.5 indent level is 1 Stock quotation
[List of Pre Grant Publications for class 340 subclass 4.6][List of Patents for class 340 subclass 4.6]4.6 Subclass 4.6 indent level is 1 Space allocation (e.g., vehicle seat, hotel reservation, etc.)
[List of Pre Grant Publications for class 340 subclass 5.1][List of Patents for class 340 subclass 5.1]5.1 Subclass 5.1 indent level is 1 Intelligence comparison for controlling
[List of Pre Grant Publications for class 340 subclass 6.1][List of Patents for class 340 subclass 6.1]6.1 Subclass 6.1 indent level is 1 Having indication or alarm
 [List of Pre Grant Publications for class 340 subclass 6.11][List of Patents for class 340 subclass 6.11]6.11 Subclass 6.11 indent level is 2 Additional to other selective control
[List of Pre Grant Publications for class 340 subclass 6.12][List of Patents for class 340 subclass 6.12]6.12 Subclass 6.12 indent level is 2 Party line
 [List of Pre Grant Publications for class 340 subclass 7.1][List of Patents for class 340 subclass 7.1]7.1 Subclass 7.1 indent level is 2 Paging to control diverse device
[List of Pre Grant Publications for class 340 subclass 7.2][List of Patents for class 340 subclass 7.2]7.2 Subclass 7.2 indent level is 2 Code responsive (i.e., paging)
 [List of Pre Grant Publications for class 340 subclass 8.1][List of Patents for class 340 subclass 8.1]8.1 Subclass 8.1 indent level is 2 Location indication
[List of Pre Grant Publications for class 340 subclass 9.1][List of Patents for class 340 subclass 9.1]9.1 Subclass 9.1 indent level is 1 Addressing
[List of Pre Grant Publications for class 340 subclass 10.1][List of Patents for class 340 subclass 10.1]10.1 Subclass 10.1 indent level is 1 Interrogation response
 [List of Pre Grant Publications for class 340 subclass 11.1][List of Patents for class 340 subclass 11.1]11.1 Subclass 11.1 indent level is 1 With multidigit encoder
[List of Pre Grant Publications for class 340 subclass 12.1][List of Patents for class 340 subclass 12.1]12.1 Subclass 12.1 indent level is 1 Pulse responsive actuation
 [List of Pre Grant Publications for class 340 subclass 13.1][List of Patents for class 340 subclass 13.1]13.1 Subclass 13.1 indent level is 1 Phase responsive actuation
[List of Pre Grant Publications for class 340 subclass 13.2][List of Patents for class 340 subclass 13.2]13.2 Subclass 13.2 indent level is 1 Frequency responsive actuation
[List of Pre Grant Publications for class 340 subclass 13.37][List of Patents for class 340 subclass 13.37]13.37 Subclass 13.37 indent level is 1 Amplitude responsive actuation
[List of Pre Grant Publications for class 340 subclass 14.1][List of Patents for class 340 subclass 14.1]14.1 Subclass 14.1 indent level is 1 Decoder matrix
 [List of Pre Grant Publications for class 340 subclass 15.1][List of Patents for class 340 subclass 15.1]15.1 Subclass 15.1 indent level is 1 Having electron beam device
 [List of Pre Grant Publications for class 340 subclass 16.1][List of Patents for class 340 subclass 16.1]16.1 Subclass 16.1 indent level is 1 System having rectifier
[List of Pre Grant Publications for class 340 subclass 286.01][List of Patents for class 340 subclass 286.01]286.01 SYSTEMS
[List of Pre Grant Publications for class 340 subclass 286.02][List of Patents for class 340 subclass 286.02]286.02 Subclass 286.02 indent level is 1 Network signaling
[List of Pre Grant Publications for class 340 subclass 286.04][List of Patents for class 340 subclass 286.04]286.04 Subclass 286.04 indent level is 1 Manual alarm telegraph; e.g., other than signal box type
[List of Pre Grant Publications for class 340 subclass 286.06][List of Patents for class 340 subclass 286.06]286.06 Subclass 286.06 indent level is 1 Call station
[List of Pre Grant Publications for class 340 subclass 286.11][List of Patents for class 340 subclass 286.11]286.11 Subclass 286.11 indent level is 1 Annunciator
[List of Pre Grant Publications for class 340 subclass 286.13][List of Patents for class 340 subclass 286.13]286.13 Subclass 286.13 indent level is 1 Mimic
[List of Pre Grant Publications for class 340 subclass 287][List of Patents for class 340 subclass 287]287 Subclass 287 indent level is 1 Signal box type (e.g., to call messenger, plural fire alarm boxes)
[List of Pre Grant Publications for class 340 subclass 309.16][List of Patents for class 340 subclass 309.16]309.16 Subclass 309.16 indent level is 1 Timer control
 [List of Pre Grant Publications for class 340 subclass 311.2][List of Patents for class 340 subclass 311.2]311.2 Subclass 311.2 indent level is 1 Nonselective paging (e.g., public address system)
[List of Pre Grant Publications for class 340 subclass 313][List of Patents for class 340 subclass 313]313 Subclass 313 indent level is 1 Answer back
 [List of Pre Grant Publications for class 340 subclass 315][List of Patents for class 340 subclass 315]315 Subclass 315 indent level is 1 Selsyn type
[List of Pre Grant Publications for class 340 subclass 316][List of Patents for class 340 subclass 316]316 Subclass 316 indent level is 1 Rebalancing at receiver
 [List of Pre Grant Publications for class 340 subclass 318][List of Patents for class 340 subclass 318]318 Subclass 318 indent level is 1 Synchronous distributor at transmitter and receiver
 [List of Pre Grant Publications for class 340 subclass 319][List of Patents for class 340 subclass 319]319 Subclass 319 indent level is 1 Plural electromagnets or plural motors receiver
 [List of Pre Grant Publications for class 340 subclass 320][List of Patents for class 340 subclass 320]320 Subclass 320 indent level is 1 Via fluid conduit (e.g., fire hose)
 [List of Pre Grant Publications for class 340 subclass 321][List of Patents for class 340 subclass 321]321 Subclass 321 indent level is 1 Portable self-contained (e.g., movie usher's signalling flashlight)
 [List of Pre Grant Publications for class 340 subclass 322][List of Patents for class 340 subclass 322]322 Subclass 322 indent level is 1 Self-cancelling after fixed time
[List of Pre Grant Publications for class 340 subclass 323R][List of Patents for class 340 subclass 323R]  323R Subclass 323R indent level is 1 Game reporting
[List of Pre Grant Publications for class 340 subclass 326][List of Patents for class 340 subclass 326]326 Subclass 326 indent level is 1 Plural (e.g., concurrent auxiliary) single indications (e.g., light flashes when bell rings)
[List of Pre Grant Publications for class 340 subclass 328][List of Patents for class 340 subclass 328]328 Subclass 328 indent level is 1 Audible signals (e.g., bell rings softly first and then loudly)
 [List of Pre Grant Publications for class 340 subclass 330][List of Patents for class 340 subclass 330]330 Subclass 330 indent level is 1 In and out indicators (e.g., doorbell button flashes "out" sign)
 [List of Pre Grant Publications for class 340 subclass 331][List of Patents for class 340 subclass 331]331 Subclass 331 indent level is 1 Periodic or flashing
 [List of Pre Grant Publications for class 340 subclass 332][List of Patents for class 340 subclass 332]332 Subclass 332 indent level is 1 Signal light systems
 [List of Pre Grant Publications for class 340 subclass 333][List of Patents for class 340 subclass 333]333 Subclass 333 indent level is 1 With specific power supply (e.g., power substitution)
[List of Pre Grant Publications for class 340 subclass 425.1][List of Patents for class 340 subclass 425.1]425.1 REPEATER IN UNSPECIFIED TYPE COMMUNICATIONS LINE OR CHANNEL (E.G., RELAY STATION)
[List of Pre Grant Publications for class 340 subclass 407.1][List of Patents for class 340 subclass 407.1]407.1 TACTUAL INDICATION
[List of Pre Grant Publications for class 340 subclass 815.4][List of Patents for class 340 subclass 815.4]815.4 VISUAL INDICATION
 [List of Pre Grant Publications for class 340 subclass 815.41][List of Patents for class 340 subclass 815.41]815.41 Subclass 815.41 indent level is 1 False signal prevention (anti-sunlight)
[List of Pre Grant Publications for class 340 subclass 815.42][List of Patents for class 340 subclass 815.42]815.42 Subclass 815.42 indent level is 1 Having light piping
 [List of Pre Grant Publications for class 340 subclass 815.44][List of Patents for class 340 subclass 815.44]815.44 Subclass 815.44 indent level is 1 Seven-segment indicator
 [List of Pre Grant Publications for class 340 subclass 815.45][List of Patents for class 340 subclass 815.45]815.45 Subclass 815.45 indent level is 1 Using light emitting diodes
 [List of Pre Grant Publications for class 340 subclass 815.46][List of Patents for class 340 subclass 815.46]815.46 Subclass 815.46 indent level is 1 Audio responsive lamp
[List of Pre Grant Publications for class 340 subclass 815.47][List of Patents for class 340 subclass 815.47]815.47 Subclass 815.47 indent level is 1 Switchboard or panel type (e.g., bullseye)
[List of Pre Grant Publications for class 340 subclass 815.53][List of Patents for class 340 subclass 815.53]815.53 Subclass 815.53 indent level is 1 Lighted alphanumeric or character indicator matrix
[List of Pre Grant Publications for class 340 subclass 815.55][List of Patents for class 340 subclass 815.55]815.55 Subclass 815.55 indent level is 1 Transparent or translucent indicator with means for blocking light
[List of Pre Grant Publications for class 340 subclass 815.58][List of Patents for class 340 subclass 815.58]815.58 Subclass 815.58 indent level is 1 Step by step positioner
 [List of Pre Grant Publications for class 340 subclass 815.62][List of Patents for class 340 subclass 815.62]815.62 Subclass 815.62 indent level is 1 Electromagnetic actuator for indicator matrix
 [List of Pre Grant Publications for class 340 subclass 815.63][List of Patents for class 340 subclass 815.63]815.63 Subclass 815.63 indent level is 1 Binary indicator
 [List of Pre Grant Publications for class 340 subclass 815.64][List of Patents for class 340 subclass 815.64]815.64 Subclass 815.64 indent level is 1 Electromagnetic rotator for indicator wheel
[List of Pre Grant Publications for class 340 subclass 815.65][List of Patents for class 340 subclass 815.65]815.65 Subclass 815.65 indent level is 1 Multiple colors
[List of Pre Grant Publications for class 340 subclass 815.69][List of Patents for class 340 subclass 815.69]815.69 Subclass 815.69 indent level is 1 Diverse indications
[List of Pre Grant Publications for class 340 subclass 815.73][List of Patents for class 340 subclass 815.73]815.73 Subclass 815.73 indent level is 1 With lamp enclosed in transparent housing
[List of Pre Grant Publications for class 340 subclass 815.78][List of Patents for class 340 subclass 815.78]815.78 Subclass 815.78 indent level is 1 Pointer indicator
[List of Pre Grant Publications for class 340 subclass 815.81][List of Patents for class 340 subclass 815.81]815.81 Subclass 815.81 indent level is 1 Grouped drop annunciators
[List of Pre Grant Publications for class 340 subclass 815.83][List of Patents for class 340 subclass 815.83]815.83 Subclass 815.83 indent level is 1 Movable
[List of Pre Grant Publications for class 340 subclass 384.1][List of Patents for class 340 subclass 384.1]384.1 AUDIBLE INDICATION
 [List of Pre Grant Publications for class 340 subclass 999][List of Patents for class 340 subclass 999]999 MISCELLANEOUS
 
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.
     VEHICLE POSITION INDICATION (340/988)
      FOR400          Subclass FOR400 indent level is 1 Map display (340/995)
     LAND VEHICLE ALARM OR INDICATOR (340/425.5)
     CONDITION RESPONSIVE INDICATING SYSTEM (340/500)
     Subclass  indent level is 1 With particular coupling link (340/531)
      FOR402          Subclass FOR402 indent level is 2 Radio (340/539)
     Subclass  indent level is 1 Specific condition (340/540)
     Subclass  indent level is 2 Intrusion detection (340/541)
      FOR100          Subclass FOR100 indent level is 3 Door or window movement (340/545)
  FOR101          Subclass FOR101 indent level is 2 Article placement or removal (340/568)
      FOR103          Subclass FOR103 indent level is 2 Human or animal (340/573)
     Subclass  indent level is 2 Condition of electrical apparatus (340/635)
      FOR403          Subclass FOR403 indent level is 3 Battery (340/636)
      FOR104          Subclass FOR104 indent level is 2 Position responsive (340/686)
      FOR105          Subclass FOR105 indent level is 1 Specified indicator structure (340/691)
      FOR106          Subclass FOR106 indent level is 1 Specified power supply or housing (340/693)
     SELECTIVE (340/825)
  FOR203          Subclass FOR203 indent level is 1 Channel selection (340/825.03)
      FOR107          Subclass FOR107 indent level is 1 Loop (340/825.05)
  FOR206          Subclass FOR206 indent level is 1 Monitoring and control (e.g., supervisory) (340/825.06)
  FOR207          Subclass FOR207 indent level is 2 Having addressing (340/825.07)
      FOR208          Subclass FOR208 indent level is 3 Polling or roll call (340/825.08)
      FOR209          Subclass FOR209 indent level is 2 Quiescent (340/825.09)
  FOR210          Subclass FOR210 indent level is 2 Scanning (340/825.1)
      FOR211          Subclass FOR211 indent level is 3 Continuous (340/825.11)
  FOR212          Subclass FOR212 indent level is 3 Interrupted (340/825.12)
      FOR213          Subclass FOR213 indent level is 4 Automatic (340/825.13)
      FOR214          Subclass FOR214 indent level is 2 Synchronization (340/825.14)
      FOR215          Subclass FOR215 indent level is 2 Having storage or recording (340/825.15)
      FOR216          Subclass FOR216 indent level is 2 Fault condition (340/825.16)
      FOR217          Subclass FOR217 indent level is 2 Having indicator (340/825.17)
      FOR218          Subclass FOR218 indent level is 2 Relay (340/825.18)
  FOR110          Subclass FOR110 indent level is 1 Intelligence comparison (340/825.3)
  FOR311          SYSTEM WITH RECEIVER SELECTION (455/31.1)
     SELECTIVE (340/825)
     Subclass  indent level is 1 Having indication or alarm (e.g., location indication) (340/825.36)
  FOR244          Subclass FOR244 indent level is 2 Code responsive (e.g., paging) (340/825.44)
      FOR245          Subclass FOR245 indent level is 3 Distress signal alarm (340/825.45)
      FOR246          Subclass FOR246 indent level is 3 Vibratory (tactual) alarm (340/825.46)
      FOR247          Subclass FOR247 indent level is 3 Group call (340/825.47)
      FOR248          Subclass FOR248 indent level is 3 Tone code (340/825.48)
  FOR108          Subclass FOR108 indent level is 1 Interrogation response (340/825.54)
  FOR279          Subclass FOR279 indent level is 1 Matrix (340/825.79)
      FOR280          Subclass FOR280 indent level is 2 Plural stage (340/825.8)
  FOR281          Subclass FOR281 indent level is 2 Electroluminescent elements (340/825.81)
      FOR282          Subclass FOR282 indent level is 3 Light-emitting diode (340/825.82)
  FOR283          Subclass FOR283 indent level is 2 Programmable (340/825.83)
      FOR284          Subclass FOR284 indent level is 3 Having fusible element (340/825.84)
  FOR285          Subclass FOR285 indent level is 2 Semiconductor crosspoint (340/825.85)
      FOR286          Subclass FOR286 indent level is 3 Integrated circuit (340/825.86)
      FOR287          Subclass FOR287 indent level is 3 Logic (340/825.87)
      FOR288          Subclass FOR288 indent level is 3 Bistable (340/825.88)
      FOR289          Subclass FOR289 indent level is 3 Switching element (340/825.89)
  FOR290          Subclass FOR290 indent level is 3 Transistor (340/825.9)
      FOR291          Subclass FOR291 indent level is 4 Field effect transistor (340/825.91)
      FOR292          Subclass FOR292 indent level is 4 Four or more electrodes (340/825.92)
      FOR293          Subclass FOR293 indent level is 4 Plural (340/825.93)
  FOR294          Subclass FOR294 indent level is 3 Diode (340/825.94)
      FOR295          Subclass FOR295 indent level is 4 Charge storage (340/825.95)
      FOR296          Subclass FOR296 indent level is 4 Plural diodes at crosspoint (340/825.96)
     SYSTEMS (340/286.01)
     SELECTIVE (340/825)
  FOR415          SELECTIVE (340/825)
      FOR416          Subclass FOR416 indent level is 1 Spare channel (340/825.01)
      FOR417          Subclass FOR417 indent level is 1 Tree or cascade (340/825.02)
      FOR418          Subclass FOR418 indent level is 1 Communication or control for the handicapped (340/825.19)
  FOR419          Subclass FOR419 indent level is 1 Synchronizing (340/825.2)
      FOR420          Subclass FOR420 indent level is 2 With addressing (340/825.21)
  FOR421          Subclass FOR421 indent level is 1 Program control (340/825.22)
      FOR422          Subclass FOR422 indent level is 2 Machine tool (340/825.23)
      FOR423          Subclass FOR423 indent level is 2 Of audio systems (340/825.24)
      FOR424          Subclass FOR424 indent level is 1 Audio system (e.g., by pulse signal) (340/825.25)
  FOR425          Subclass FOR425 indent level is 1 Stock quotation (340/825.26)
      FOR426          Subclass FOR426 indent level is 2 With information storage (340/825.27)
  FOR427          Subclass FOR427 indent level is 1 Space allocation (e.g., vehicle seat, hotel reservation) (340/825.28)
      FOR428          Subclass FOR428 indent level is 2 Remote terminal (340/825.29)
  FOR429          Subclass FOR429 indent level is 1 Having indication or alarm (e.g., location indication) (340/825.36)
  FOR438          Subclass FOR438 indent level is 1 Addressing (340/825.52)
      FOR440          Subclass FOR440 indent level is 1 With multidigit encoder (340/825.56)
  FOR441          Subclass FOR441 indent level is 1 Pulse responsive actuation (340/825.57)
      FOR442          Subclass FOR442 indent level is 2 Phase or frequency shift keying (340/825.58)
      FOR443          Subclass FOR443 indent level is 2 Polarity (340/825.59)
      FOR444          Subclass FOR444 indent level is 2 Pulse pairs (340/825.6)
      FOR445          Subclass FOR445 indent level is 2 Having delay line (340/825.61)
  FOR446          Subclass FOR446 indent level is 2 Serial (340/825.62)
      FOR447          Subclass FOR447 indent level is 3 Pulse width (340/825.63)
      FOR448          Subclass FOR448 indent level is 3 Pulse spacing (e.g., pulse repetition rate) (340/825.64)
  FOR449          Subclass FOR449 indent level is 3 Counting (340/825.65)
      FOR450          Subclass FOR450 indent level is 4 Relay (340/825.66)
      FOR451          Subclass FOR451 indent level is 4 Counting chain (340/825.67)
      FOR452          Subclass FOR452 indent level is 3 Shift register (340/825.68)
      FOR453          Subclass FOR453 indent level is 3 Radio link (340/825.69)
      FOR454          Subclass FOR454 indent level is 1 Phase responsive actuation (340/825.7)
  FOR455          Subclass FOR455 indent level is 1 Frequency responsive actuation (340/825.71)
      FOR456          Subclass FOR456 indent level is 2 Wireless link (340/825.72)
  FOR457          Subclass FOR457 indent level is 2 Plural frequencies (340/825.73)
      FOR458          Subclass FOR458 indent level is 3 Simultaneous (340/825.74)
      FOR459          Subclass FOR459 indent level is 3 Permutation (340/825.75)
      FOR460          Subclass FOR460 indent level is 3 Corresponding to distinct functions (340/825.76)
  FOR461          Subclass FOR461 indent level is 1 Amplitude responsive actuation (340/825.77)
      FOR462          Subclass FOR462 indent level is 2 Divided resistor (340/825.78)
      FOR463          Subclass FOR463 indent level is 1 Having electron beam device (340/825.97)
      FOR464          Subclass FOR464 indent level is 1 System having rectifier (340/825.98)
  FOR465          REMOTE CONTROL OVER POWER LINE (340/310.11)