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: D18
 Class Title: PRINTING AND OFFICE MACHINERY

Subclass  Subclass
Number    Title

  1       TYPEWRITER OR CALCULATOR (1)
  2       .Combined (2)
  3       .Coin handling machine
  4       ..Cash register (3)
  5       .Checkwriter (3)
  6       .Calculator (12)
  7       ..With keyboard
  8       ...With carriage
  9       ..Slide rule type
  10      ...Rotary
  11      ..Housing or casing
  12      .Element or attachment
  36      COPY REPRODUCING EQUIPMENT
  37      .Electrostatic type (i.e., specified as such)
  38      ..Console or floor type
  39      .Console or floor type
  40      .Element or attachment (4)
  41      ..Control or panel
  43      ..Toner or developer container, cassette, etc.
  44      ..Paper or film container, cassette, etc.
  45      ..Copy stand
  46      DOCUMENT HANDLER (13)
  47      .Sorter, collator or stacker
  48      ..Three or more identical receivers or feeders
  49      .Receiver or feeder
  50      PRINTING EQUIPMENT (14)
  14      .Hand held or manipulated (5)
  15      ..Stamp, seal imprinter, or stamp pad
  16      ...Simulative (6)
  17      ...Stamp pad
  18      ...Element or attachment
  19      ..Label or tape embossing tool
  20      ..Stenograph
  21      ..Autographic register
  51      .Postal
  52      .With typewriter type keyboard
  53      .Console or floor type
  54      .Text or data printer (e.g., computer peripheral printer, etc.)
            (15)
  55      ..With slot, tray or channel for side feed or discharge (16)
  56      .Element or attachment (17)
  57      ..Engraving or plate preparation unit (18)
  58      ..Inking roller
  59      ..Stand or frame
  24      TYPE OR TYPE FACE
  25      .Foreign alphabet
  26      .Segmented display type (7)
  27      .Simulative (8)
  28      .Script type
  29      .Individual panel mount type (9)
  30      .Outlined or with shadow
  31      .With detached interior embellishment (10))
  32      .Border or ornament design
  33      ..Animate figure representation
  34      BOOKBINDING MACHINES, PRINTERS' STAPLING MACHINES AND EQUIPMENT
           (11)
  35      PNEUMATIC DISPATCH TUBE OR SYSTEM
  99      MISCELLANEOUS