Class 470 THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 - 2 | B 23 G | 5 / 00 |
| 3 - 4 | B 23 P | 19 / 08 |
| 5 - 7 | B 21 G | 5 / 00 |
| 8 - 17 | B 21 H | 3 / 02 |
| 8 - 17 | B 23 G | 9 / 00 |
| 13 | B 21 K | 1 / 74 |
| 18 - 26 | B 21 D | 53 / 24 |
| 18 - 26 | B 21 H | 3 / 08 |
| 18 - 26 | B 21 K | 1 / 64 |
| 25 - 33 | B 21 K | 1 / 44 |
| 27 - 33 | B 21 K | 1 / 58 |
| 34 - 40 | B 21 G | 3 / 00 |
| 41 - 42 | B 21 D | 53 / 20 |
| 41 - 42 | B 21 D | 53 / 22 |
| 43 | B 21 D | 55 / 00 |
| 44 - 47 | B 21 G | 3 / 00 |
| 44 - 47 | B 21 G | 5 / 00 |
| 44 - 47 | B 23 G | 1 / 00 |
| 48 - 50 | B 23 P | 19 / 08 |
| 51 - 56 | B 21 G | 5 / 00 |
| 57 - 86 | B 21 H | 3 / 02 |
| 57 - 86 | B 21 K | 1 / 44 |
| 57 - 86 | B 21 K | 1 / 56 |
| 57 - 86 | B 23 G | 9 / 00 |
| 87 - 109 | B 21 D | 53 / 24 |
| 87 - 109 | B 21 K | 1 / 64 |
| 88 | B 21 K | 1 / 70 |
| 110 - 161 | B 21 G | 3 / 00 |
| 141 | B 21 G | 3 / 12 |
| 150 | B 21 G | 3 / 12 |
| 156 | B 21 G | 3 / 26 |
| 158 | B 21 G | 3 / 24 |
| 159 | B 21 G | 3 / 12 |
| 162 - 163 | B 21 D | 53 / 20 |
| 163 | B 21 D | 53 / 22 |
| 164 - 180 | B 21 H | 9 / 00 |
| 181 - 182 | B 21 H | 3 / 10 |
| 183 - 208 | B 21 J | 13 / 02 |
| 207 | B 21 J | 13 / 03 |
| 208 | B 21 J | 13 / 06 |
| 209 | B 23 G | 5 / 00 |