Hierarchy/Derived subclasses
| 105 / 157.1 | -> 172 | -> 173 |
uspto searches
Patent Apps in 105/173Granted Patents in 105/173
Use the links above or do an advanced search in ppubs for:
(105/173.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.