Hierarchy/Derived subclasses
| 351 / 41 | -> 159.01 | -> 159.02 | -> 159.03 |
uspto searches
Patent Apps in 351/159.03Granted Patents in 351/159.03
Use the links above or do an advanced search in ppubs for:
(351/159.03.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.