Class 420 ALLOYS OR METALLIC COMPOSITIONS
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 - 7 | C 22 C | 43 / 00 |
| 8 - 10 | C 22 C | 38 / 00 |
| 11 - 12 | C 22 C | 38 / 36 |
| 13 - 14 | C 22 C | 37 / 00 |
| 13 | C 22 C | 37 / 04 |
| 15 | C 22 C | 37 / 06 |
| 16 - 17 | C 22 C | 37 / 08 |
| 18 | C 22 C | 33 / 10 |
| 19 | C 22 C | 33 / 12 |
| 20 - 25 | C 22 C | 33 / 10 |
| 26 - 27 | C 22 C | 37 / 00 |
| 28 | C 22 C | 37 / 10 |
| 29 - 33 | C 22 C | 33 / 08 |
| 34 - 35 | C 22 C | 38 / 18 |
| 36 - 39 | C 22 C | 38 / 30 |
| 36 - 39 | C 22 C | 38 / 52 |
| 40 | C 22 C | 38 / 18 |
| 41 - 42 | C 22 C | 38 / 60 |
| 43 | C 22 C | 38 / 40 |
| 44 - 48 | C 22 C | 38 / 58 |
| 49 | C 22 C | 38 / 42 |
| 50 | C 22 C | 38 / 40 |
| 51 | C 22 C | 38 / 48 |
| 51 | C 22 C | 38 / 50 |
| 52 | C 22 C | 38 / 44 |
| 53 | C 22 C | 38 / 00 |
| 54 | C 22 C | 38 / 48 |
| 54 | C 22 C | 38 / 50 |
| 55 | C 22 C | 38 / 40 |
| 56 - 59 | C 22 C | 38 / 38 |
| 56 - 59 | C 22 C | 38 / 58 |
| 60 | C 22 C | 38 / 18 |
| 61 | C 22 C | 38 / 22 |
| 62 | C 22 C | 38 / 16 |
| 63 | C 22 C | 38 / 22 |
| 64 - 65 | C 22 C | 38 / 18 |
| 66 | C 22 C | 38 / 00 |
| 67 | C 22 C | 38 / 22 |
| 68 | C 22 C | 38 / 28 |
| 69 | C 22 C | 38 / 24 |
| 69 | C 22 C | 38 / 26 |
| 70 | C 22 C | 38 / 00 |
| 71 | C 22 C | 33 / 00 |
| 72 | C 22 C | 38 / 04 |
| 73 | C 22 C | 38 / 08 |
| 74 | C 22 C | 38 / 58 |
| 75 | C 22 C | 38 / 14 |
| 76 | C 22 C | 38 / 16 |
| 77 - 78 | C 22 C | 38 / 06 |
| 79 | C 22 C | 38 / 18 |
| 80 | C 22 C | 38 / 08 |
| 80 | C 22 C | 38 / 10 |
| 81 | C 22 C | 38 / 12 |
| 81 | C 22 C | 38 / 14 |
| 82 - 83 | C 22 C | 38 / 00 |
| 84 - 87 | C 22 C | 38 / 60 |
| 88 | C 22 C | 33 / 00 |
| 89 | C 22 C | 38 / 16 |
| 90 | C 22 C | 38 / 20 |
| 91 | C 22 C | 38 / 42 |
| 92 - 93 | C 22 C | 38 / 16 |
| 94 | C 22 C | 38 / 08 |
| 95 | C 22 C | 38 / 10 |
| 95 | C 22 C | 38 / 52 |
| 96 | C 22 C | 38 / 12 |
| 97 | C 22 C | 38 / 40 |
| 98 | C 22 C | 38 / 08 |
| 99 | C 22 C | 38 / 00 |
| 100 | C 22 C | 38 / 18 |
| 101 | C 22 C | 38 / 22 |
| 102 | C 22 C | 38 / 30 |
| 103 | C 22 C | 38 / 06 |
| 104 | C 22 C | 38 / 18 |
| 105 - 106 | C 22 C | 38 / 22 |
| 107 | C 22 C | 38 / 30 |
| 108 | C 22 C | 38 / 40 |
| 109 | C 22 C | 38 / 46 |
| 109 | C 22 C | 38 / 50 |
| 110 - 111 | C 22 C | 38 / 12 |
| 110 | C 22 C | 38 / 14 |
| 112 | C 22 C | 38 / 08 |
| 113 | C 22 C | 38 / 12 |
| 114 | C 22 C | 38 / 22 |
| 115 - 116 | C 22 C | 38 / 00 |
| 115 - 116 | C 22 C | 38 / 18 |
| 117 | C 22 C | 38 / 02 |
| 118 | C 22 C | 38 / 12 |
| 118 | C 22 C | 38 / 14 |
| 119 | C 22 C | 38 / 08 |
| 120 | C 22 C | 38 / 04 |
| 121 | C 22 C | 38 / 00 |
| 122 - 124 | C 22 C | 38 / 12 |
| 125 - 126 | C 22 C | 38 / 14 |
| 127 | C 22 C | 38 / 12 |
| 128 | C 22 C | 38 / 00 |
| 129 | C 22 C | 33 / 00 |
| 400 | C 22 C | 24 / 00 |
| 401 | C 22 C | 25 / 00 |
| 402 - 404 | C 22 C | 23 / 00 |
| 405 - 406 | C 22 C | 23 / 06 |
| 407 - 410 | C 22 C | 23 / 02 |
| 408 - 409 | C 22 C | 23 / 04 |
| 411 - 412 | C 22 C | 23 / 04 |
| 413 - 414 | C 22 C | 23 / 00 |
| 415 | C 22 C | 24 / 00 |
| 416 | C 22 C | 28 / 00 |
| 417 - 421 | C 22 C | 14 / 00 |
| 422 - 423 | C 22 C | 16 / 00 |
| 422 - 423 | C 22 C | 27 / 00 |
| 424 - 427 | C 22 C | 27 / 02 |
| 428 | C 22 C | 27 / 06 |
| 429 - 431 | C 22 C | 27 / 04 |
| 432 | C 22 C | 27 / 00 |
| 432 | C 22 C | 32 / 00 |
| 433 | C 22 C | 28 / 00 |
| 434 | C 22 C | 22 / 00 |
| 435 - 440 | C 22 C | 19 / 07 |
| 441 | C 22 C | 19 / 03 |
| 442 - 454 | C 22 C | 19 / 05 |
| 455 - 460 | C 22 C | 19 / 03 |
| 461 - 468 | C 22 C | 5 / 04 |
| 469 | C 22 C | 9 / 00 |
| 470 - 472 | C 22 C | 9 / 02 |
| 471 | C 22 C | 9 / 01 |
| 473 | C 22 C | 9 / 00 |
| 474 | C 22 C | 9 / 02 |
| 474 | C 22 C | 9 / 08 |
| 475 | C 22 C | 9 / 00 |
| 476 | C 22 C | 9 / 02 |
| 476 - 478 | C 22 C | 9 / 04 |
| 478 | C 22 C | 9 / 01 |
| 479 - 480 | C 22 C | 9 / 00 |
| 481 - 484 | C 22 C | 9 / 04 |
| 481 - 482 | C 22 C | 9 / 06 |
| 485 - 488 | C 22 C | 9 / 06 |
| 486 | C 22 C | 9 / 01 |
| 487 | C 22 C | 9 / 05 |
| 489 | C 22 C | 9 / 00 |
| 489 | C 22 C | 9 / 01 |
| 490 | C 22 C | 9 / 10 |
| 491 | C 22 C | 9 / 08 |
| 492 | C 22 C | 9 / 00 |
| 493 | C 22 C | 9 / 05 |
| 494 - 500 | C 22 C | 9 / 00 |
| 496 | C 22 C | 9 / 06 |
| 501 | C 22 C | 5 / 06 |
| 502 - 504 | C 22 C | 5 / 08 |
| 504 | C 22 C | 5 / 10 |
| 505 | C 22 C | 5 / 06 |
| 506 | C 22 C | 5 / 10 |
| 507 - 512 | C 22 C | 5 / 02 |
| 513 | C 22 C | 18 / 00 |
| 514 - 520 | C 22 C | 18 / 04 |
| 515 - 518 | C 22 C | 18 / 02 |
| 521 - 522 | C 22 C | 18 / 02 |
| 523 - 524 | C 22 C | 18 / 00 |
| 525 | C 22 C | 20 / 00 |
| 526 - 527 | C 22 C | 7 / 00 |
| 528 | C 22 C | 21 / 00 |
| 529 - 530 | C 22 C | 21 / 12 |
| 531 | C 22 C | 21 / 10 |
| 531 | C 22 C | 21 / 18 |
| 532 | C 22 C | 21 / 00 |
| 533 | C 22 C | 21 / 06 |
| 533 - 536 | C 22 C | 21 / 16 |
| 534 - 536 | C 22 C | 21 / 08 |
| 537 | C 22 C | 21 / 04 |
| 537 | C 22 C | 21 / 14 |
| 538 - 539 | C 22 C | 21 / 12 |
| 540 - 541 | C 22 C | 21 / 10 |
| 541 - 543 | C 22 C | 21 / 06 |
| 544 | C 22 C | 21 / 04 |
| 544 | C 22 C | 21 / 08 |
| 545 | C 22 C | 21 / 06 |
| 546 | C 22 C | 21 / 04 |
| 546 | C 22 C | 21 / 08 |
| 547 | C 22 C | 21 / 06 |
| 548 | C 22 C | 21 / 02 |
| 549 | C 22 C | 21 / 04 |
| 550 - 554 | C 22 C | 21 / 00 |
| 555 - 556 | C 22 C | 28 / 00 |
| 557 - 558 | C 22 C | 13 / 00 |
| 559 | C 22 C | 13 / 02 |
| 560 | C 22 C | 13 / 00 |
| 561 - 562 | C 22 C | 13 / 02 |
| 563 | C 22 C | 11 / 00 |
| 564 - 565 | C 22 C | 11 / 02 |
| 566 - 567 | C 22 C | 11 / 00 |
| 566 - 571 | C 22 C | 11 / 06 |
| 569 | C 22 C | 11 / 10 |
| 571 | C 22 C | 11 / 10 |
| 572 | C 22 C | 11 / 08 |
| 573 | C 22 C | 11 / 04 |
| 574 - 575 | C 22 C | 11 / 00 |
| 576 - 577 | C 22 C | 12 / 00 |
| 578 | C 22 C | 29 / 00 |
| 578 | C 22 C | 35 / 00 |
| 579 | C 22 C | 28 / 00 |
| 580 - 581 | C 22 C | 30 / 00 |
| 582 | C 22 C | 30 / 02 |
| 583 - 586.1 | C 22 C | 30 / 00 |
| 587 | C 22 C | 30 / 02 |
| 588 | C 22 C | 30 / 00 |
| 589 | C 22 C | 30 / 04 |
| 590 | C 22 C | 1 / 00 |
| 591 | C 01 B | 35 / 04 |