US Patent Class 399
ELECTROPHOTOGRAPHY-- 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 | COMBINED WITH DIVERSE SUBJECT MATTER {1} |
| 8 | DF | REMOTE MONITORING |
| 9 | DF | DIAGNOSTICS {13} |
| 38 | DF | CONTROL OF ELECTROPHOTOGRAPHY PROCESS {15} |
| 75 | DF | MACHINE OPERATION {6} |
| 91 | DF | INTERNAL MACHINE ENVIRONMENT {4} |
| 107 | DF | HAVING PARTICULAR STRUCTURE {4} |
| 127 | DF | SUPPLEMENTAL ELECTROPHOTOGRAPHIC PROCESS {1} |
| 130 | DF | IMAGE FORMATION {30} |
| 343 | DF | CLEANING OF IMAGING SURFACE {12} |
| 361 | DF | DOCUMENT HANDLING {4} |
| 411 | DF | MISCELLANEOUS |