US Patent Class 281
BOOKS, STRIPS, AND LEAVES-- 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 | ||
| 2 | DF | STRIPS AND LEAVES |
| 3.1 | DF | BOOK AND LEAF {2} |
| 5 | DF | STRIPS {2} |
| 15.1 | DF | BOOK, ELEMENT THEREOF, OR ACCESSORY THEREFOR {9} |
| 45 | DF | BOOK OR LEAF HOLDER {1} |
| 51 | DF | MISCELLANEOUS |
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| DIGEST | ||
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| DIG 1 | DF | Magnet |