Hierarchy/Derived subclasses
| 313 / 11 | -> 30 | -> 31 |
| -> 32 |
uspto searches
Patent Apps in 313/30Granted Patents in 313/30
Use the links above or do an advanced search in ppubs for:
(313/30.ccls. or 313/31.ccls. or 313/32.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.