Hierarchy/Derived subclasses
| 396 / 72 | -> 79 | -> 80 | -> 81 |
| -> 82 |
uspto searches
Patent Apps in 396/80Granted Patents in 396/80
Use the links above or do an advanced search in ppubs for:
(396/80.ccls. or 396/81.ccls. or 396/82.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.