Hierarchy/Derived subclasses
| 182 / 42 | -> 43 | -> 44 |
uspto searches
Patent Apps in 182/43Granted Patents in 182/43
Use the links above or do an advanced search in ppubs for:
(182/43.ccls. or 182/44.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.