Hierarchy/Derived subclasses
| D24 / 232 | -> 233 | |
| -> 234 | -> 68 |
uspto searches
Patent Apps in D24/232Granted Patents in D24/232
Use the links above or do an advanced search in ppubs for:
(D24/232.ccls. or D24/233.ccls. or D24/234.ccls. or D24/68.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.