Hierarchy/Derived subclasses
PLT / 156 | -> 203 | -> 204 |
uspto searches
Patent Apps in PLT/203Granted Patents in PLT/203
Use the links above or do an advanced search in ppubs for:
(PLT/203.ccls. or PLT/204.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.