US Patent Class 441
BUOYS, RAFTS, AND AQUATIC DEVICES-- 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 | BUOY {6} |
| 35 | DF | RAFTS {8} |
| 55 | DF | SWIMMING AID TO INCREASE STROKE EFFICIENCY {4} |
| 65 | DF | WATER SKIMMING OR WALKING DEVICE {7} |
| 80 | DF | WATER RESCUE OR LIFE PROTECTING APPARATUS {8} |
| 129 | DF | BODY SUPPORTING BUOYANT DEVICE {1} |
| 133 | DF | BUOYANCY PROVIDING ATTACHMENT FOR PIPE, LOG, OR LINE {1} |
| 135 | DF | BUOYANCY UNDERWATER VIEWING DEVICE |
| 136 | DF | MISCELLANEOUS |