Hierarchy/Derived subclasses
392 / 465 | -> 471 |
uspto searches
Patent Apps in 392/471Granted Patents in 392/471
Use the links above or do an advanced search in ppubs for:
(392/471.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.