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: D17
 Class Title: MUSICAL INSTRUMENTS

Subclass  Subclass
Number    Title

  1       KEYBOARD TYPE
  2       .Combined with diverse article
  3       .Accordion
  4       ..Element or attachment
  5       .Organ or cabinet therefor
  6       ..Multiple keyboard
  7       .Piano or cabinet therefor
  8       ..Grand type
  9       .Element or attachment
  10      WIND INSTRUMENT
  11      .Cornet or trumpet
  12      .Harmonica
  13      .Element or attachment
  14      STRING INSTRUMENT
  15      .Plural neck
  16      .Harp (1)
  17      .Violin (1)
  18      .Simulative
  19      .Symmetrical outline
  20      .Element or attachment
  21      ..Bridge, tailpiece, or vibrato unit
  22      PERCUSSION INSTRUMENT (2)
  23      .Xylophone or marimba
  24      MECHANICAL INSTRUMENT (3)
  99      MISCELLANEOUS