Hierarchy/Derived subclasses
| 534 / 573 | -> 617 | -> 618 | |||
| -> 619 | -> 620 | -> 621 | |||
| -> 622 | -> 623 | ||||
| -> 624 | |||||
| -> 625 | |||||
| -> 626 | |||||
| -> 627 | |||||
| -> 628 | |||||
| -> 629 | |||||
| -> 630 | -> 631 | ||||
| -> 632 | -> 633 | ||||
| -> 634 | |||||
| -> 635 | -> 636 | ||||
| -> 637 | |||||
| -> 638 | |||||
| -> 639 | |||||
| -> 640 | -> 641 | -> 642 | |||
| -> 643 | |||||
| -> 644 |
uspto searches
Patent Apps in 534/617Granted Patents in 534/617
Use the links above or do an advanced search in ppubs for:
(534/617.ccls. or 534/618.ccls. or 534/619.ccls. or 534/620.ccls. or 534/621.ccls. or 534/622.ccls. or 534/623.ccls. or 534/624.ccls. or 534/625.ccls. or 534/626.ccls. or 534/627.ccls. or 534/628.ccls. or 534/629.ccls. or 534/630.ccls. or 534/631.ccls. or 534/632.ccls. or 534/633.ccls. or 534/634.ccls. or 534/635.ccls. or 534/636.ccls. or 534/637.ccls. or 534/638.ccls. or 534/639.ccls. or 534/640.ccls. or 534/641.ccls. or 534/642.ccls. or 534/643.ccls. or 534/644.ccls.)
This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.