Hierarchy/Derived subclasses
| 99 / 324 | -> 325 | -> 330 |
uspto searches
Patent Apps in 99/330Granted Patents in 99/330
Use the links above or do an advanced search in ppubs for:
(99/330.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.