Hierarchy/Derived subclasses
| 297 / 115 | -> 116 | -> 117 |
uspto searches
Patent Apps in 297/115Granted Patents in 297/115
Use the links above or do an advanced search in ppubs for:
(297/115.ccls. or 297/116.ccls. or 297/117.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.