Hierarchy/Derived subclasses
| 208 / 39 | -> 41 | -> 42 | -> 43 |
uspto searches
Patent Apps in 208/42Granted Patents in 208/42
Use the links above or do an advanced search in ppubs for:
(208/42.ccls. or 208/43.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.