Hierarchy/Derived subclasses
| 208 / 14 | -> 22 | -> 23 |
uspto searches
Patent Apps in 208/23Granted Patents in 208/23
Use the links above or do an advanced search in ppubs for:
(208/23.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.