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.
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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.
Class Number: 79
Class Title: BUTTON MAKING
Subclass Subclass
Number Title
1 MISCELLANEOUS
2 SHANK BUTTONS
3 METALLIC
4 .Covered
5 ..Cloth
* PEARL AND COMPOSITION
6 .Surfacing and drilling
7 .Surfacing
8 ..Tool-sharpening
9 ..Multiple chuck
10 ..Trimming
.Drilling
..Multiple spindle
11 ...Axially opposite
..Single spindle
14 ...Single chuck
15 .Blank-sawing
16 ..Tubular saw
18 WORK SUPPORTS