Hierarchy/Derived subclasses
| 332 / 149 | -> 159 | -> 160 |
| -> 161 | ||
| -> 162 |
uspto searches
Patent Apps in 332/159Granted Patents in 332/159
Use the links above or do an advanced search in ppubs for:
(332/159.ccls. or 332/160.ccls. or 332/161.ccls. or 332/162.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.