US Patent Class 355
PHOTOCOPYING-- 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 | INCLUDING FIBER OPTICS |
| 2 | DF | HOLOGRAM, SEISMOGRAM, GRAPH OR SCALE COPYING |
| 400 | DF | USING MICROCAPSULES {5} |
| 18 | DF | PROJECTION PRINTING AND COPYING CAMERAS {27} |
| 78 | DF | CONTACT PRINTING {15} |
| 133 | DF | MISCELLANEOUS |