Class 51 ABRASIVE TOOL MAKING PROCESS, MATERIAL, OR COMPOSITION
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 293 | B 24 D | 3 / 00 |
| 293 | B 24 D | 11 / 00 |
| 293 | B 24 D | 18 / 00 |
| 293 | C 09 K | 3 / 14 |
| 294 | B 24 D | 11 / 02 |
| 295 | B 24 B | 1 / 00 |
| 295 | B 24 D | 11 / 00 |
| 296 | B 24 B | 1 / 00 |
| 296 | B 24 D | 3 / 00 |
| 297 | B 24 D | 11 / 00 |
| 298 - 303 | C 09 K | 3 / 14 |
| 304 | C 09 K | 3 / 14 |
| 305 - 306 | B 24 B | 1 / 00 |
| 305 - 306 | C 09 K | 3 / 14 |
| 307 - 309 | B 24 D | 3 / 02 |
| 307 - 309 | C 09 C | 1 / 68 |
| 307 - 309 | C 09 K | 3 / 14 |