Hierarchy/Derived subclasses
| PLT / 226 | -> 243 | -> 244 |
| -> 245 |
uspto searches
Patent Apps in PLT/243Granted Patents in PLT/243
Use the links above or do an advanced search in ppubs for:
(PLT/243.ccls. or PLT/244.ccls. or PLT/245.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.