Hierarchy/Derived subclasses
| 229 / 100 | -> 116.1 | -> 116.4 |
uspto searches
Patent Apps in 229/116.4Granted Patents in 229/116.4
Use the links above or do an advanced search in ppubs for:
(229/116.4.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.