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: 270
 Class Title: SHEET-MATERIAL ASSOCIATING

Subclass  Subclass
Number    Title

  1.1     WITH PRINTING
  4       .Associating and folding, with rotary printer
  5       ..Longitudinal web folding
  6       ...Cylinder collecting, with sheet folding
  7       ....Additional-sheet associating
  8       ...Sheet folding
  9       ....Additional-sheet associating
  10      ..Web association with cylinder collecting
  11      ...Additional-sheet associating
  12      ..Sheet associating
  13      ...Cylinder collecting
  14      ....Additional-sheet associating
  15      ...Additional-sheet associating
  16      ..Longitudinal sheet folding
  17      ..Additional-sheet associating
  18      .Associating, with rotary printer
  19      ..Cylinder collecting
  20.1    .Folding, with rotary printer
  21.1    ..Cutting
  22.1    .Bed and travelling cylinder, web, perfecting
  30      RECIPROCATING-CARRIAGE PILERS
  31      .Traveling supply
  32      ASSOCIATING AND FOLDING
  37      .Stapling or stitching
  38      ..Cylinder collecting
  39      .Zigzag package
  40      ..Longitudinal web folding
  41      .Longitudinal web folding
  42      ..Cylinder collecting, with sheet folding
  43      .Web associating, with cylinder collecting
  44      ..Additional-sheet associating
  45      .Sheet associating
  46      ..Stop sheet
  47      ..Cylinder collecting
  48      ...Additional-sheet associating
  49      ....Revolving pivotal folding blade
  50      ...Revolving pivotal folding blade
  51      ..Additional-sheet associating
  52      ASSOCIATING OR DISASSOCIATING
  52.5    .Web disassociating
  53      .Stapling or stitching
  54      .Signature gatherers
  55      ..Insetting
  56      ..Interrupter
  57      .Insetting
  58      .Sheet associating
  59      ..Stop sheet
  60      ..Cylinder collecting
  95      ..Placing sheets in column and inserting marker sheets to
             indicate number of sheets in column