Hierarchy/Derived subclasses
| 396 / 25 | -> 26 |
| -> 27 | |
| -> 28 | |
| -> 29 |
uspto searches
Patent Apps in 396/25Granted Patents in 396/25
Use the links above or do an advanced search in ppubs for:
(396/25.ccls. or 396/26.ccls. or 396/27.ccls. or 396/28.ccls. or 396/29.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.