Hierarchy/Derived subclasses
382 / 181 | -> 209 | -> 212 | -> 213 |
-> 214 |
uspto searches
Patent Apps in 382/212Granted Patents in 382/212
Use the links above or do an advanced search in ppubs for:
(382/212.ccls. or 382/213.ccls. or 382/214.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.