Hierarchy/Derived subclasses
378 / 189 | -> 190 | -> 191 |
uspto searches
Patent Apps in 378/191Granted Patents in 378/191
Use the links above or do an advanced search in ppubs for:
(378/191.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.