Hierarchy/Derived subclasses
| 358 / 500 | -> 501 | -> 502 |
| -> 503 |
uspto searches
Patent Apps in 358/501Granted Patents in 358/501
Use the links above or do an advanced search in ppubs for:
(358/501.ccls. or 358/502.ccls. or 358/503.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.