Class 163 NEEDLE AND PIN MAKING
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 | B 21 G | 1 / 00 |
| 2 - 3 | B 21 G | 1 / 06 |
| 4 | B 21 G | 3 / 32 |
| 5 | B 21 G | 3 / 18 |
| 6 | B 21 G | 3 / 00 |
| 7 | B 21 G | 3 / 04 |