Hierarchy/Derived subclasses
| 100 / 144 | -> 179 | -> 190 |
uspto searches
Patent Apps in 100/190Granted Patents in 100/190
Use the links above or do an advanced search in ppubs for:
(100/190.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.