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.
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