Hierarchy/Derived subclasses
| 276 / 8 | -> 9 |
| -> 10 | |
| -> 11 |
uspto searches
Patent Apps in 276/8Granted Patents in 276/8
Use the links above or do an advanced search in ppubs for:
(276/8.ccls. or 276/9.ccls. or 276/10.ccls. or 276/11.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.