Hierarchy/Derived subclasses
| 48 / 61 | -> 89 | -> 99 |
uspto searches
Patent Apps in 48/99Granted Patents in 48/99
Use the links above or do an advanced search in ppubs for:
(48/99.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.