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.

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Class Number: 63
 Class Title: JEWELRY

Subclass  Subclass
Number    Title

  1.1     COMBINATION ARTICLES
  2       MISCELLANEOUS
  3       BRACELETS
  4       .Chain
  5.1     .Expansible
  5.2     ..Continuous coil spring
  6       ..Two part
  7       .Single hinge
  8       ..Spring
  9       .Multiple hinge
  10      .Swiveled
  11      .Resilient
  12      EARRINGS
  13      .Pendant jewel
  14.1    .Nonpiercing
  14.2    ..Having guard
  14.3    ..Having clamp pad
  14.4    ..Pivoted arm clamp
  14.5    ...Spring actuated
  14.6    ..Screw-type clamp
  14.7    ..Slide clamp
  14.8    ..One-piece clamp
  15      FINGER RINGS
  15.1    .Plural, separable
  15.2    ..With separate connector
  15.3    ..With integral interlock
  15.4    ...Nested
  15.45   .Contractable
  15.5    .Variable internal size
  15.6    ..By internal abutment or element
  15.65   ..Plural adjustment
  15.7    .Peripheral or segmental sections
  15.8    .Shield
  18      LOCKETS
  19      .Hinged covers
  20      ORNAMENTAL PINS
  21      WATCH AND CHAIN ATTACHMENTS
  22      .Bars
  23      .Charms
  24      .Safety watch guards
  25      ..Automatically operated
  26      GEM SETTING
  27      .Crown
  28      .Multiple
  29.1    .Detachable
  29.2    ..Magnetic
  30      ..Exhibiting
  31      .Movable
  32      GEMS
  *       ******************************
  *       DIGESTS
  *       *******************************
  DIG 1   Adhesive jewelry
  DIG 2   Perfumed jewelry
  DIG 3   Plastic jewelry