Hierarchy/Derived subclasses
| 296 / 1.01 | -> 181.1 | -> 181.2 | -> 181.3 |
uspto searches
Patent Apps in 296/181.3Granted Patents in 296/181.3
Use the links above or do an advanced search in ppubs for:
(296/181.3.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.