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.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


Class Number: D10
 Class Title: MEASURING, TESTING, OR SIGNALLING INSTRUMENTS

Subclass  Subclass
Number    Title

  1       CLOCK OR CLOCK CASE (3) (4)
  2       .Combined (5)
  3       ..With calendar
  4       ..With weather instrument
  5       ..With lamp or with provision therefor
  6       .Simulative
  7       ..Animate
  8       ...Humanoid
  9       ..Plant life
  10      ..Map or globe
  11      ..Building
  12      ..Vehicle
  13      ..Ship's wheel
  14      .Plural face
  15      .Changeable exhibitor, e.g., digital type
  16      .Floor type, e.g., grandfather clock, etc.
  17      .Case front having openwork filigree or surrounding radiating
            elements
  18      .With closure panel
  19      .With handle or bail
  20      .Laterally asymmetrical in front elevation
  21      .Case having geometric configuration in front elevation
  22      ..Substantially circular or oval
  23      ...With feet, distinct base or stand
  24      ..Substantially rectangular or square
  25      ...All sides flat and plain
  26      ...With feet, distinct base or stand
  27      ..Having flat and parallel sides
  28      ...With curved top
  29      ...With peaked or faceted top
  30      WATCH, WRISTWATCH OR CASE (6)
  31      .Combined
  32      ..With wristband or strap
  33      .Simulative
  34      ..Animate
  35      ...Humanoid
  36      ..Plant life
  37      .Pocket type
  38      .Wrist type
  39      ..With dial and/or hand
  40      TIME-MEASURING INSTRUMENT OR CASING (7)
  41      .Recording, e.g., time clock, etc.
  42      .Parking meter
  43      .Metronome
  44      .Sandglass
  45      .Sundial
  46      MEASURING, REGULATING OR INDICATING INSTRUMENT, OR CASING (8)
           (9) (27)
  46.1    .Scorer or indicator for game or sport
  46.2    .Food preparation type (e.g., measuring cup, spoon, etc.)
  46.3    ..Plural compartment or cell
  47      .Radiation, e.g., Geiger counterr
  48      .Egg testing, e.g., candling instrument
  49      .Regulator or control
  50      ..Temperature regulator or thermostat
  51      ...Combined with thermometer (10)
  52      .Temperature, humidity, atmospheric condition (11)
  53      ..Plural or combined
  54      ..Simulative
  55      ..Barometer
  56      ..Moisture
  57      ..Thermometer
  58      ...Expanding fluid type
  59      ..Weather vane
  60      ..Element or attachment (12)
  61      .Geometric (13)
  62      ..Combined
  63      ...Drafting machine
  64      ..Template or comparator gauge (14)
  65      ..Angle or direction (15)
  66      ...Transit or theodolite
  67      ...Aircraft instrument
  68      ...Compass (16)
  69      ...Spirit level
  70      ..Linear or distance (17)
  71      ...Rule, tape or scale (18)
  72      ....With casing, i.e., retractable type
  73      ...Micrometer, caliper or divider type
  74      ..Element or attachment (12)
  75      .Electrical property
  76      ..Oscilloscope or oscillograph
  77      ..Battery, vacuum tube, transistor or spark plug tester (19)
  78      ..Provided with handle, or hand-held
  79      ...Clamp-around type
  80      ..Element or attachment (12)
  81      .Chemical
  82      .Balancer
  83      .Weight, force or density
  84      ..Specific gravity (20)
  85      ..Pressure gauge
  86      ...Tire inflation type
  87      ..Scale
  88      ...Combined
  89      ...Vertical spring type
  90      ...Beam or balance type
  91      ...Provided with load platform
  92      ....Standing user type
  93      .....Readout at eye or waist level
  94      ..Element or attachment (12)
  95      ...Beam or balance
  96      .Volume, flow or rate
  97      ..Counter
  98      ...Speedometer or tachometer
  99      ..Public utility meter, i.e., gas, water, etc.
  100     ...Electric
  101     ..Liquid quantity level
  102     .Dial gauge or meter
  103     .Element or attachment (12)
  104     SECURITY OR SIGNAL INSTRUMENT, OR CASING (21)
  105     .Lightning conductor or arrestorr
  106     .Alarm or control therefor (22)
  107     .Buoy
  108     .Elevator signal or call unit
  109     .Visual (23)
  110     ..Fender guide for vehicle
  111     ..Lamp or Reflector (28)
  112     ...Ignition timing light
  113     ...Road surface marker
  114     ...Flashing, warning or directing type
  115     ....Multiple sequential lamps, e.g., "traffic light"
  116     .Aural (24)
  117     ..Curb feeler for vehicle
  118     ..Annunciator or door chime
  119     ..Air-operated (25)
  120     ...Siren or horn
  121     .Element or attachment (12)
  122     DIAL, INDICATOR HAND, OR OTHER ELEMENT OR ATTACHMENT
  123     .Dial or face plate
  124     ..Combined (29)
  125     ..Substantially rectangular or square
  126     ..Substantially circular or oval
  127     .Indicator hand
  128     .Watch or clock element, or attachment (26)
  129     ..Movement or movement frame
  130     ...Pendulum
  131     ..Bow, pendant, crown or stem
  132     ..Crystal, cover or protector