Hierarchy/Derived subclasses
215 / 379 | -> 380 |
uspto searches
Patent Apps in 215/380Granted Patents in 215/380
Use the links above or do an advanced search in ppubs for:
(215/380.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.