Hierarchy/Derived subclasses
| 248 / 560 | -> 634 | -> 635 |
uspto searches
Patent Apps in 248/634Granted Patents in 248/634
Use the links above or do an advanced search in ppubs for:
(248/634.ccls. or 248/635.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.