PATENTS   
Patents > Guidance, Tools, and Manuals > Classification > Class Schedule
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a USPC Schedule.
Class   307ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
Click here for a printable version of this file
  Turn Outline  
     Expand/Contract Processing Please Wait
[List of Pre Grant Publications for class 307 subclass 1][List of Patents for class 307 subclass 1]1 SUPERIMPOSED UNLIKE CURRENTS
 [List of Pre Grant Publications for class 307 subclass 2][List of Patents for class 307 subclass 2]2 Subclass 2 indent level is 1 AC and DC sources
 [List of Pre Grant Publications for class 307 subclass 3][List of Patents for class 307 subclass 3]3 Subclass 3 indent level is 1 Different frequencies or phase
[List of Pre Grant Publications for class 307 subclass 4][List of Patents for class 307 subclass 4]4 Subclass 4 indent level is 1 Different voltages
[List of Pre Grant Publications for class 307 subclass 5][List of Patents for class 307 subclass 5]5 Subclass 5 indent level is 2 Series-connected
[List of Pre Grant Publications for class 307 subclass 9.1][List of Patents for class 307 subclass 9.1]9.1 VEHICLE MOUNTED SYSTEMS
[List of Pre Grant Publications for class 307 subclass 10.1][List of Patents for class 307 subclass 10.1]10.1 Subclass 10.1 indent level is 1 Automobile
[List of Pre Grant Publications for class 307 subclass 10.2][List of Patents for class 307 subclass 10.2]10.2 Subclass 10.2 indent level is 2 Antitheft
 [List of Pre Grant Publications for class 307 subclass 10.6][List of Patents for class 307 subclass 10.6]10.6 Subclass 10.6 indent level is 2 Ignition or starter circuits
 [List of Pre Grant Publications for class 307 subclass 10.7][List of Patents for class 307 subclass 10.7]10.7 Subclass 10.7 indent level is 2 Battery protection
 [List of Pre Grant Publications for class 307 subclass 10.8][List of Patents for class 307 subclass 10.8]10.8 Subclass 10.8 indent level is 2 Lighting circuits
[List of Pre Grant Publications for class 307 subclass 11][List of Patents for class 307 subclass 11]11 PLURAL LOAD CIRCUIT SYSTEMS
[List of Pre Grant Publications for class 307 subclass 12][List of Patents for class 307 subclass 12]12 Subclass 12 indent level is 1 Common conductor or return type
[List of Pre Grant Publications for class 307 subclass 13][List of Patents for class 307 subclass 13]13 Subclass 13 indent level is 2 Polyphase
 [List of Pre Grant Publications for class 307 subclass 15][List of Patents for class 307 subclass 15]15 Subclass 15 indent level is 2 Voltage divider type
 [List of Pre Grant Publications for class 307 subclass 16][List of Patents for class 307 subclass 16]16 Subclass 16 indent level is 2 Plural output generators
 [List of Pre Grant Publications for class 307 subclass 17][List of Patents for class 307 subclass 17]17 Subclass 17 indent level is 1 Transformer connections
[List of Pre Grant Publications for class 307 subclass 18][List of Patents for class 307 subclass 18]18 Subclass 18 indent level is 1 Plural sources of supply
[List of Pre Grant Publications for class 307 subclass 19][List of Patents for class 307 subclass 19]19 Subclass 19 indent level is 2 Interconnected for energy transfer
 [List of Pre Grant Publications for class 307 subclass 23][List of Patents for class 307 subclass 23]23 Subclass 23 indent level is 2 Substitute or alternate source
 [List of Pre Grant Publications for class 307 subclass 24][List of Patents for class 307 subclass 24]24 Subclass 24 indent level is 2 With control of magnitude of current or power
[List of Pre Grant Publications for class 307 subclass 25][List of Patents for class 307 subclass 25]25 Subclass 25 indent level is 2 Diverse sources
 [List of Pre Grant Publications for class 307 subclass 29][List of Patents for class 307 subclass 29]29 Subclass 29 indent level is 2 Selectively connected loads and/or sources
 [List of Pre Grant Publications for class 307 subclass 30][List of Patents for class 307 subclass 30]30 Subclass 30 indent level is 1 Anticoupling of load circuits through same source
[List of Pre Grant Publications for class 307 subclass 31][List of Patents for class 307 subclass 31]31 Subclass 31 indent level is 1 Control of current or power
 [List of Pre Grant Publications for class 307 subclass 32][List of Patents for class 307 subclass 32]32 Subclass 32 indent level is 2 Load current proportioning or dividing
[List of Pre Grant Publications for class 307 subclass 33][List of Patents for class 307 subclass 33]33 Subclass 33 indent level is 2 Constant magnitude control
 [List of Pre Grant Publications for class 307 subclass 35][List of Patents for class 307 subclass 35]35 Subclass 35 indent level is 2 Limit control
[List of Pre Grant Publications for class 307 subclass 36][List of Patents for class 307 subclass 36]36 Subclass 36 indent level is 1 Serially connected load circuits
 [List of Pre Grant Publications for class 307 subclass 37][List of Patents for class 307 subclass 37]37 Subclass 37 indent level is 2 Selective series-parallel connections
[List of Pre Grant Publications for class 307 subclass 38][List of Patents for class 307 subclass 38]38 Subclass 38 indent level is 1 Selectively connected or controlled load circuits
 [List of Pre Grant Publications for class 307 subclass 39][List of Patents for class 307 subclass 39]39 Subclass 39 indent level is 2 Condition responsive
 [List of Pre Grant Publications for class 307 subclass 40][List of Patents for class 307 subclass 40]40 Subclass 40 indent level is 2 Code-controlled
 [List of Pre Grant Publications for class 307 subclass 41][List of Patents for class 307 subclass 41]41 Subclass 41 indent level is 2 Sequential or alternating
 [List of Pre Grant Publications for class 307 subclass 42][List of Patents for class 307 subclass 42]42 Subclass 42 indent level is 1 Circuit arrangements or layouts
[List of Pre Grant Publications for class 307 subclass 43][List of Patents for class 307 subclass 43]43 PLURAL SUPPLY CIRCUITS OR SOURCES
[List of Pre Grant Publications for class 307 subclass 44][List of Patents for class 307 subclass 44]44 Subclass 44 indent level is 1 One source floats across or compensates for other source
[List of Pre Grant Publications for class 307 subclass 45][List of Patents for class 307 subclass 45]45 Subclass 45 indent level is 2 With intervening converter
 [List of Pre Grant Publications for class 307 subclass 47][List of Patents for class 307 subclass 47]47 Subclass 47 indent level is 2 Dynamoelectric-type source
[List of Pre Grant Publications for class 307 subclass 48][List of Patents for class 307 subclass 48]48 Subclass 48 indent level is 2 Storage battery or accumulator-type source
 [List of Pre Grant Publications for class 307 subclass 51][List of Patents for class 307 subclass 51]51 Subclass 51 indent level is 1 Circulating- or inter-current control or prevention
[List of Pre Grant Publications for class 307 subclass 52][List of Patents for class 307 subclass 52]52 Subclass 52 indent level is 1 Load current control
[List of Pre Grant Publications for class 307 subclass 53][List of Patents for class 307 subclass 53]53 Subclass 53 indent level is 2 Load current division
[List of Pre Grant Publications for class 307 subclass 60][List of Patents for class 307 subclass 60]60 Subclass 60 indent level is 2 Constant load or current
 [List of Pre Grant Publications for class 307 subclass 62][List of Patents for class 307 subclass 62]62 Subclass 62 indent level is 2 Load-limiting
 [List of Pre Grant Publications for class 307 subclass 63][List of Patents for class 307 subclass 63]63 Subclass 63 indent level is 2 Serially connected sources
[List of Pre Grant Publications for class 307 subclass 64][List of Patents for class 307 subclass 64]64 Subclass 64 indent level is 1 Substitute or emergency source
 [List of Pre Grant Publications for class 307 subclass 65][List of Patents for class 307 subclass 65]65 Subclass 65 indent level is 2 Plural substitute sources
[List of Pre Grant Publications for class 307 subclass 66][List of Patents for class 307 subclass 66]66 Subclass 66 indent level is 2 Storage battery or accumulator
 [List of Pre Grant Publications for class 307 subclass 68][List of Patents for class 307 subclass 68]68 Subclass 68 indent level is 2 Dynamoelectric
 [List of Pre Grant Publications for class 307 subclass 69][List of Patents for class 307 subclass 69]69 Subclass 69 indent level is 1 Sources distributed along load circuit
 [List of Pre Grant Publications for class 307 subclass 70][List of Patents for class 307 subclass 70]70 Subclass 70 indent level is 1 Load transfer without paralleling sources
 [List of Pre Grant Publications for class 307 subclass 71][List of Patents for class 307 subclass 71]71 Subclass 71 indent level is 1 Series-parallel connection of sources
[List of Pre Grant Publications for class 307 subclass 72][List of Patents for class 307 subclass 72]72 Subclass 72 indent level is 1 Diverse or unlike electrical characteristics
 [List of Pre Grant Publications for class 307 subclass 73][List of Patents for class 307 subclass 73]73 Subclass 73 indent level is 2 Differing frequencies
 [List of Pre Grant Publications for class 307 subclass 74][List of Patents for class 307 subclass 74]74 Subclass 74 indent level is 2 Differing capacities
[List of Pre Grant Publications for class 307 subclass 75][List of Patents for class 307 subclass 75]75 Subclass 75 indent level is 2 Differing voltages
[List of Pre Grant Publications for class 307 subclass 77][List of Patents for class 307 subclass 77]77 Subclass 77 indent level is 1 Series-connected sources
 [List of Pre Grant Publications for class 307 subclass 78][List of Patents for class 307 subclass 78]78 Subclass 78 indent level is 2 Generator sources
[List of Pre Grant Publications for class 307 subclass 80][List of Patents for class 307 subclass 80]80 Subclass 80 indent level is 1 Selective or optional sources
 [List of Pre Grant Publications for class 307 subclass 81][List of Patents for class 307 subclass 81]81 Subclass 81 indent level is 2 Predetermined sequence
 [List of Pre Grant Publications for class 307 subclass 82][List of Patents for class 307 subclass 82]82 Subclass 82 indent level is 1 Plural converters
 [List of Pre Grant Publications for class 307 subclass 83][List of Patents for class 307 subclass 83]83 Subclass 83 indent level is 1 Plural transformers
 [List of Pre Grant Publications for class 307 subclass 84][List of Patents for class 307 subclass 84]84 Subclass 84 indent level is 1 Plural generators
[List of Pre Grant Publications for class 307 subclass 85][List of Patents for class 307 subclass 85]85 Subclass 85 indent level is 1 Connecting or disconnecting
[List of Pre Grant Publications for class 307 subclass 86][List of Patents for class 307 subclass 86]86 Subclass 86 indent level is 2 Condition responsive
 [List of Pre Grant Publications for class 307 subclass 400][List of Patents for class 307 subclass 400]400 ELECTRETS
[List of Pre Grant Publications for class 307 subclass 401][List of Patents for class 307 subclass 401]401 NONLINEAR REACTOR SYSTEMS (E.G., SATURABLE)
[List of Pre Grant Publications for class 307 subclass 402][List of Patents for class 307 subclass 402]402 Subclass 402 indent level is 1 Parametrons
 [List of Pre Grant Publications for class 307 subclass 403][List of Patents for class 307 subclass 403]403 Subclass 403 indent level is 2 Thin film parametrons
 [List of Pre Grant Publications for class 307 subclass 404][List of Patents for class 307 subclass 404]404 Subclass 404 indent level is 2 Using logic circuits
 [List of Pre Grant Publications for class 307 subclass 405][List of Patents for class 307 subclass 405]405 Subclass 405 indent level is 2 Using pump energizer
 [List of Pre Grant Publications for class 307 subclass 406][List of Patents for class 307 subclass 406]406 Subclass 406 indent level is 1 Magnetic flip-flops
[List of Pre Grant Publications for class 307 subclass 407][List of Patents for class 307 subclass 407]407 Subclass 407 indent level is 1 Logic circuits
 [List of Pre Grant Publications for class 307 subclass 408][List of Patents for class 307 subclass 408]408 Subclass 408 indent level is 2 Multiaperture
 [List of Pre Grant Publications for class 307 subclass 409][List of Patents for class 307 subclass 409]409 Subclass 409 indent level is 2 Clocking, delay or transmission line
 [List of Pre Grant Publications for class 307 subclass 410][List of Patents for class 307 subclass 410]410 Subclass 410 indent level is 2 Nor, Not logic circuit
 [List of Pre Grant Publications for class 307 subclass 411][List of Patents for class 307 subclass 411]411 Subclass 411 indent level is 2 Exclusive Or, And logic circuit
 [List of Pre Grant Publications for class 307 subclass 412][List of Patents for class 307 subclass 412]412 Subclass 412 indent level is 1 Driver circuits
 [List of Pre Grant Publications for class 307 subclass 413][List of Patents for class 307 subclass 413]413 Subclass 413 indent level is 1 Signal sensor (e.g., current or frequency)
 [List of Pre Grant Publications for class 307 subclass 414][List of Patents for class 307 subclass 414]414 Subclass 414 indent level is 1 Magnetic trigger devices
 [List of Pre Grant Publications for class 307 subclass 415][List of Patents for class 307 subclass 415]415 Subclass 415 indent level is 1 Magnetic switching circuits
[List of Pre Grant Publications for class 307 subclass 416][List of Patents for class 307 subclass 416]416 Subclass 416 indent level is 1 Amplifiers using nonlinear reactors (i.e., magnetic amplifiers)
 [List of Pre Grant Publications for class 307 subclass 417][List of Patents for class 307 subclass 417]417 Subclass 417 indent level is 2 With transistors
 [List of Pre Grant Publications for class 307 subclass 418][List of Patents for class 307 subclass 418]418 Subclass 418 indent level is 2 With feedback
[List of Pre Grant Publications for class 307 subclass 419][List of Patents for class 307 subclass 419]419 Subclass 419 indent level is 1 Magnetic pulse generator
 [List of Pre Grant Publications for class 307 subclass 420][List of Patents for class 307 subclass 420]420 Subclass 420 indent level is 2 Using multivibrator
 [List of Pre Grant Publications for class 307 subclass 421][List of Patents for class 307 subclass 421]421 Subclass 421 indent level is 2 With specified output waveform
[List of Pre Grant Publications for class 307 subclass 422][List of Patents for class 307 subclass 422]422 Subclass 422 indent level is 1 Multiaperture
 [List of Pre Grant Publications for class 307 subclass 423][List of Patents for class 307 subclass 423]423 Subclass 423 indent level is 2 Three apertures or ladder
 [List of Pre Grant Publications for class 307 subclass 424][List of Patents for class 307 subclass 424]424 Subclass 424 indent level is 1 Parametric frequency converter
[List of Pre Grant Publications for class 307 subclass 326][List of Patents for class 307 subclass 326]326 PERSONNEL SAFETY OR LIMIT CONTROL FEATURES
 [List of Pre Grant Publications for class 307 subclass 327][List of Patents for class 307 subclass 327]327 Subclass 327 indent level is 1 Parasitic current suppression
 [List of Pre Grant Publications for class 307 subclass 328][List of Patents for class 307 subclass 328]