Hierarchy/Derived subclasses
| 332 / 117 | -> 129 | -> 131 | -> 132 |
uspto searches
Patent Apps in 332/132Granted Patents in 332/132
Use the links above or do an advanced search in ppubs for:
(332/132.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.