Class 419 POWDER METALLURGY PROCESSES
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 | B 22 F | 3 / 105 |
| 1 | C 22 C | 1 / 04 |
| 1 | C 22 C | 33 / 02 |
| 2 | B 22 F | 3 / 11 |
| 3 | B 22 F | 5 / 00 |
| 4 | H 01 K | 3 / 02 |
| 5 - 9 | B 22 F | 7 / 00 |
| 10 - 26 | C 22 C | 32 / 00 |
| 11 | C 22 C | 33 / 02 |
| 14 - 15 | C 22 C | 1 / 05 |
| 16 | C 22 C | 29 / 04 |
| 17 - 18 | C 22 C | 1 / 05 |
| 23 | C 22 C | 1 / 04 |
| 24 | B 22 F | 3 / 00 |
| 25 | C 22 C | 33 / 02 |
| 26 | B 22 F | 3 / 12 |
| 27 | B 22 F | 3 / 26 |
| 28 | B 22 F | 3 / 24 |
| 29 | C 21 D | 1 / 00 |
| 30 - 43 | B 22 F | 1 / 00 |
| 44 - 48 | C 22 C | 1 / 04 |
| 46 | C 22 C | 1 / 06 |
| 46 | C 22 C | 33 / 02 |
| 49 | B 22 F | 3 / 15 |
| 50 | B 22 F | 3 / 18 |
| 51 | B 22 F | 3 / 12 |
| 52 | B 22 F | 3 / 105 |
| 53 - 54 | B 22 F | 3 / 10 |
| 55 | C 22 C | 33 / 02 |
| 56 - 58 | B 22 F | 3 / 10 |
| 59 | C 22 C | 33 / 02 |
| 60 | B 22 F | 3 / 105 |
| 61 | B 22 F | 3 / 20 |
| 62 | B 22 F | 1 / 00 |
| 63 | C 22 C | 1 / 10 |
| 64 - 65 | B 22 F | 1 / 00 |
| 66 | B 22 F | 3 / 02 |
| 67 | B 22 F | 3 / 20 |
| 68 | B 22 F | 3 / 04 |
| 69 | B 22 F | 3 / 18 |