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: 168
 Class Title: FARRIERY

Subclass  Subclass
Number    Title

  1       OVERSHOES
  2       .Medicating
  3       .Swamp
  4       SHOES
  5       .Ox
  6       .Hoof spreading
  7       ..Hinged sections
  8       ...Spring
  9       ...Stretching bar
  10      ..Wedge
  11      .Auxiliary tread plate
  12      .Cushioned
  13      ..Soft tread
  14      ...Sole pad
  15      ..Spring heels
  16      ..Interference pads
  17      .Fastenings
  18      ..Boots
  19      ..Clamped sections
  20      ..Inclined flange
  21      ..Side spurs
  22      ..Toe and heel straps
  23      ..Nails and screws
  24      .Shape
  25      .Weights
  26      SOLE PADS
  27      .Medicating
  28      .Elastic
  29      CALKS
  30      .Creeper section
  31      .Removable
  32      ..Bolt
  33      ..Bolt and lug
  34      ..Clamped
  35      ..Dovetailed
  36      ..Hooked lug and pin
  37      ..Hooked lug and wedge
  38      ..Nail calk
         ..Tenoned
  39      ...Button head
  40      ...Cross pinned
  41      ...Friction
  42      ...Screw threaded
  43      ...Wedged
  44      SHOEING STANDS
  45      TOOLS
  46      .Calk sharpeners
  47      .Hoof and shoe expanders
  48.1    .Hoof cleaner or trimmer
  48.2    ..Rotary
  *       ******************************
  *       DIGESTSS
  *       ******************************
  DIG 1   Nonmetallic
  DIG 2   Traction shape