Hierarchy/Derived subclasses
| 351 / 41 | -> 159.01 | -> 159.73 | -> 159.74 | -> 159.75 | -> 159.76 |
| -> 159.77 | |||||
| -> 159.78 | -> 159.79 | ||||
| -> 159.8 | |||||
| -> 159.81 |
uspto searches
Patent Apps in 351/159.73Granted Patents in 351/159.73
Use the links above or do an advanced search in ppubs for:
(351/159.73.ccls. or 351/159.74.ccls. or 351/159.75.ccls. or 351/159.76.ccls. or 351/159.77.ccls. or 351/159.78.ccls. or 351/159.79.ccls. or 351/159.8.ccls. or 351/159.81.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.