PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 346
 Class Title: RECORDERS

Subclass  Subclass
Number    Title

  1.1     PROCESSES
  2       ANGLE MEASUREMENT RECORDER FOR OPTICAL INSTRUMENTS
  3       PERFORMANCE OF MULTIPLE FUNCTIONS OF STEAM AND GAS ENGINES
  4       .Pressure responsive element
  5       ..Drum recorder
  6       ...Bourdon tube marker element
  7       RECORD TRACER MOVEMENT RESPONSIVE TO INERTIA OR MASS
           INCLINATION
  8       COURSE
  9       WEIGHT RECORDERS, BY PRINTING OR PERFORATING
  10      .Recording directly from weight positioned member
  11      .Weight positioned member and independently movable record
            controlling followup element
  12      ..Coaxial member and element
  13      COMBINED WITH NON-RECORDING INTEGRATOR
  14 R    COMBINED WITH NON-RECORDING REGISTER
  15      .Fare register
  16      ..And indicator or alarm
  14 MR   .Meter reading
  17      COMBINED WITH NON-RECORDING INDICATOR OR ALARM
  18      .Speed indicator or alarm
  19      COMBINED WITH AUTOGRAPHIC APPARATUS
  20      COMBINED WITH CLOCK
  21      COMBINED WITH RECORD DELETING MEANS
  22      COMBINED WITH RECORD RECEIVER DEPOSIT RECEPTACLE OR RECORD
           RECEIVER THROUGH CHUTE
  23      COMBINED WITH FIDUCIAL LINE MAKING
  24      COMBINED WITH RECORD RECEIVER SEVERER
  25      COMBINED WITH OTHER NON-RECORDING DEVICES
  26      AUTOGRAPH AS SOLE RECORD, TIME DRIVEN ELEMENT
  27      CHECK RECEIVERS, SELECTIVE COMPARTMENT
  28      EXTENT OF WEB ADVANCE AS SOLE MEASURE OF FUNCTION
  29      MULTIFACTOR-DRIVEN RECORDER ELEMENT
  30      .Time factor
  31      FOLLOW-UP
  32      REBALANCING SYSTEMS
  33 R    COMBINED WITH EXTERNAL RECORDER OPERATING MEANS
  34      .Plural external means for one recording couple
  35      .Single external means for plural markers, single record
  36      .Valve movement concurrent
  37      .Radio receiver, tuning responsive
  38      .Ordnance responsive
  40      .Weight depressive member
  41      .Case cover, or case cover key, or keyhole cover
  42      .Gate, door, or turnstile control member
  43      .Pump dispenser part
  33 WL   .Well logging
  33 P    .Pipe
  33 F    .Flaw
  33 M    .Magnetic miscellaneous
  33 EC   .Echo
  33 S    .Sparkk
  33 MC   .Machine control record
  33 A    .Optical system
  33 B    .Radiation system
  33 C    .Seismic system
  33 ME   .Medical environment
  33 D    .Speed
  33 TP   .Temperature or pressure
  44      PLURAL RECORDERS
  45      PLURAL-FUNCTION RECORDER, DISTINGUISHABLE RECORDINGS
  46      .Records distinguishable by color
  47      ..Workmen's records
  48      .Magazine retained record receivers and receiver selecting
            mechanism
  49      .Plural markers and single record receiver
  50      ..With dotting, printing, or punching marker
  51      ...Plural selective, mechanical, manually operated, marker
              control devices on recorder
  52      ...Markers under selective control of element normally discrete
              from recorder
  53      ....With clock time index-and-dial or character recorder
  54      ....With register character recorder
  55      ....Time-driven record receiver
  56      ...With discrete element as marker
  57      ....Time-driven record receiver
  58      ....And clock time index-and-dial or character recorder
  59      ...With clock time index-and-dial or character recorder
  60      ....And register character recorder
  61      ...With register character recorder
  62      .Single marker and single record receiver
  63      ..Under discrete element control
  64      ...Time-driven record receiver
  65      SINGLE FUNCTION RECORDER, SINGLE SCALE, VARIABLE VALUE
  66      SINGLE FUNCTION RECORDER, DUPLICATE OR PORPORTIONAL SCALE
           RECORDS
  67      .Single marker
  68      RECORD RECEIVER REMOVAL AND MARKER DISPLACEMENT
  69      RECORD ELEMENT FRICTION ELIMINATING VIBRATOR
  70      RECORD RECEIVER EXPANSION AND MARKER POSITION SHIFT
  71      UNDULATORY RECORD, CONSTANT AMPLITUDE
  72      FLOAT RESPONSIVE OR EXPANSIBLE CHAMBER RESPONSIVE MARKER
  73      CENTRIFUGAL GOVERNOR RESPONSIVE MARKER
  150     ELECTRIC
  151     .Thermoplastic
  152     .Radioactive
  153.1   .Electrostatic
  154     ..Signal switching
  155     ..Electrostatic head
  156     ...Character wheel
  157     ..Color
  158     ..Electron beam
  159     ..Ion beam
  160     ..Photo scanning
  160.1   ..Structural enhancement
  161     .Cathode ray
  162     .Spark
  163     ..Spark burning
  164     ..Spark chemical
  165     .Electrolyticc
  74.2    MAGNETOGRAPHIC
  74.3    .Physical reorientation of magnetic particles
  74.4    .Radiation sensitive
  74.5    .Magnetographic head
  74.6    .Magnetochemical or physical chemistry
  74.7    .Multiple color
  75      WITH GAS BLAST AGAINST RECEIVER
  76 R    PYROGRAPHIC AND THERMO-CHEMICAL
  76 PH   .Thermal print head
  76 L    .Laser
  77 R    RECORD RECEIVER DEFORMING
  77 E    .Thermoplastic
  78      PRINTING, DOTTING, OR PUNCHING MARKER
  79      .Interconnected record receiver feed and record effecting
            movement
  80      .Time record
  81      ..Clock time index-and-dial or character printing or punching
  82      ...On discrete card
  83      ....With variable positioning means for card
  84      .....Plural fixed guides
  85      .....Card modifier to prevent superposed records
  86      .....Time controlled
  87      ...Record receiver movable to time markers
  88      ....Dial time markers
  89      ...Characters movable to platen
  90      ....Translatable dial or pointer
  91      ...Time character advancing or resetting mechanism
  92      ....Rotatable dial or pointer
  93      ..On web
  94      .Register character printing, dotting or punching
  95      ..Discrete record receiving mechanism
  96      ...With card modifier to prevent superposed records
  97      ..Fare or passenger register character
  98      ..Register character advancing or resetting mechanism
  99      ...Card control
  100     .Rolling serrated or toothed punching marker
  101     .Helical record-effecting element
  102     .Rotatable disc record receiver
  103     .Rotatable drum record receiver
  104     .Card or leaf record receiver
  105     .Ink transfer support or moving means
  106     ..With coordinated marking
  107 R   PHOTOGRAPHIC
  108     .Ray recorder
  109     ..Mirror galvanometer
  110 R   ..Cathode ray
  110 V   ...Cathode ray tube with vacuum system
  107 A   .Timing means
  107 B   .Race cameras
  107 C   .Depository camera
  107 MP  .Meter photographing
  107 SC  .Seismic camera
  107 VP  .Vehicle photographing
  107 W   .Well bore photographing
  111     WRITERS
  112     .Receiver and marker movable
  113     ..Interconnected drive
  114     ..Time-driven record receiving webb
  115     ...Time-driven marker, variable length stroke
  116     ...Marker pivotally movable solely
  117 R   ....Movable in plane of web, only
  117 A   .....Rectilinear
  118     ..Work-driven record receiving web
  119     ...Marker pivotally movable, only
  120     ....Work-driven marker, only
  121     ..Time-driven record receiving disc
  122     ...With translation of disc
  123     ...Marker pivotally movable, only
  124     ..Work-driven record receiving disc
  125     ..Drum record receiver
  126     ...Compound motion drum
  127     ...Time-driven drum
  128     ....Marker pivotally movable, only
  129     ..Card receiver
  130     .Receiver, only movable during recording
  131     ..Disc receiver
  132     ..Drum receiver
  133     ..Card receiver
  134     RECORD RECEIVERS AND/OR DRIVING MEANS THEREFOR
  135.1   .Laminated, impregnated, or coated bases
  136     .Web
  137     .Disc
  138     .Drum
  139 R   MARKERS AND/OR DRIVING MEANS THEREFOR
  140 R   .With ink supply to marker
  140 A   ..Reservoir-type pen
  141     .Printing, dotting, or punching marker
  142     ..Hand time stamps
  143     .Hand driven
  139 A   .Endless belt drive means
  139 B   .Cable drive means
  139 C   .Stylus feature
  139 D   .Lead-screw drive means
  144     WATCHMAN'S OR WORKMAN'S KEY OR KEY ENCLOSING BOX
  145     INSTRUMENT SUPPORT INSTRUMENT PART SUPPORT
  146     MISCELLANEOUS