US Patent Class 147
COOPERING-- 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 | BARREL-MAKING MACHINES |
| 6 | DF | HEADING MACHINES |
| 2 | DF | SETTING-UP MACHINES |
| 3 | DF | SETTING-UP FORMERS |
| 4 | DF | BARREL-COMPRESSING MACHINES {1} |
| 49 | DF | TRUSS HOOPS |
| * | DF | HOOP DRIVERS {6} |
| * | DF | CROZING AND CHAMFERING BARRELS {3} |
| * | DF | CROZING STAVES {3} |
| * | DF | JOINTING STAVES {10} |
| 35.5 | DF | SHAPING STAVES |
| * | DF | BARREL HEAD-MAKING {5} |
| 42 | DF | CHAMFERING TOOLS |
| * | DF | HOOP MACHINES {4} |
| 48 | DF | BASKET-FORMING |