Hierarchy/Derived subclasses
| 293 / 42 | -> 47 |
uspto searches
Patent Apps in 293/47Granted Patents in 293/47
Use the links above or do an advanced search in ppubs for:
(293/47.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.