Hierarchy/Derived subclasses
| 352 / 143 | -> 155 |
uspto searches
Patent Apps in 352/155Granted Patents in 352/155
Use the links above or do an advanced search in ppubs for:
(352/155.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.