US Patent Class 283
PRINTED MATTER-- 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 | CALENDAR {2} |
| 5 | DF | BALLOTS |
| 67 | DF | METHOD {2} |
| 71 | DF | STAMP |
| 72 | DF | HAVING REVEALABLE CONCEALED INFORMATION, FRAUD PREVENTER OR DETECTOR, USE PREVENTER OR DETECTOR, OR IDENTIFIER {15} |
| 17 | DF | CRYPTOGRAPHIC RECORD TEMPLATE |
| 23 | DF | TRANSPORTATION {8} |
| 34 | DF | MAPS {1} |
| 36 | DF | INDEXED {4} |
| 44 | DF | MATHEMATICS |
| 45 | DF | WRITING |
| 46 | DF | LANGUAGE |
| 48.1 | DF | TALLY {3} |
| 53 | DF | THEATER TICKETS |
| 54 | DF | INSURANCE |
| 55 | DF | INVENTORIES |
| 56 | DF | ADVERTISING |
| 57 | DF | BANKING {2} |
| 60.1 | DF | SALES DOCUMENT {1} |
| 61 | DF | STRIPS AND LEAVES |
| 62 | DF | STRIPS |
| 63.1 | DF | BOOK {2} |
| 65 | DF | WITH SLIDING LEAF |
| 66.1 | DF | ACCOUNTING OR LISTING FORM OR SHEET {1} |
| 115 | DF | CHART OR GRAPH |
| 116 | DF | ENVELOPE |
| 117 | DF | MISCELLANEOUS |
| ****************************** | ||
| CROSS-REFERENCE ART COLLECTIONS | ||
| ****************************** | ||
| 900 | DF | MEDICAL RECORD |
| 901 | DF | CONCEALED DATA |
| 902 | DF | ANTI-PHOTOCOPY |
| 903 | DF | LOTTERY TICKET |
| 904 | DF | CREDIT CARD |