US Patent Class 79
BUTTON MAKING
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 1 | DF | MISCELLANEOUS |
| 2 | DF | SHANK BUTTONS |
| 3 | DF | METALLIC |
| 4 | DF | .~ Covered |
| 5 | DF | .~.~ Cloth |
| * | DD | PEARL AND COMPOSITION |
| 6 | DF | .~ Surfacing and drilling |
| 7 | DF | .~ Surfacing |
| 8 | DF | .~.~ Tool-sharpening |
| 9 | DF | .~.~ Multiple chuck |
| 10 | DF | .~.~ Trimming |
| * | DD | .~ Drilling |
| * | DD | .~.~ Multiple spindle |
| 11 | DF | .~.~.~ Axially opposite |
| * | DD | .~.~ Single spindle |
| 14 | DF | .~.~.~ Single chuck |
| 15 | DF | .~ Blank-sawing |
| 16 | DF | .~.~ Tubular saw |
| 18 | DF | WORK SUPPORTS |