Hierarchy/Derived subclasses
| 348 / 61 | -> 64 |
uspto searches
Patent Apps in 348/64Granted Patents in 348/64
Use the links above or do an advanced search in ppubs for:
(348/64.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.