US Patent Class 125
STONE WORKING-- Main Headings
 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 |
| CLASS NOTES | ||
| 1 | DF | MISCELLANEOUS |
| 2 | DF | DRESSING {3} |
| 9 | DF | PLANING |
| 10 | DF | TURNING {1} |
| 12 | DF | SAWING {6} |
| 23.01 | DF | SPLITTING, SHEARING, AND PUNCHING {2} |
| 25 | DF | SLATE SURFACING |
| 26 | DF | BRICK CLEANING |
| 27 | DF | MILLSTONE DRESSING {2} |
| 30.01 | DF | PRECIOUS STONE WORKING {1} |
| 35 | DF | WORK SUPPORTS |
| 36 | DF | TOOLS {3} |
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| CROSS-REFERENCE ART COLLECTION | ||
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| 901 | DF | FORMING PIEZOELECTRIC CRYSTALS |