Hierarchy/Derived subclasses
| 707 / 609 | -> 674 | -> 675 | -> 676 | |
| -> 677 | ||||
| -> 678 | -> 679 | -> 680 | ||
| -> 681 | ||||
| -> 682 | ||||
| -> 683 | ||||
| -> 684 | ||||
| -> 685 | ||||
| -> 686 |
uspto searches
Patent Apps in 707/674Granted Patents in 707/674
Use the links above or do an advanced search in ppubs for:
(707/674.ccls. or 707/675.ccls. or 707/676.ccls. or 707/677.ccls. or 707/678.ccls. or 707/679.ccls. or 707/680.ccls. or 707/681.ccls. or 707/682.ccls. or 707/683.ccls. or 707/684.ccls. or 707/685.ccls. or 707/686.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.