Hierarchy/Derived subclasses
| 70 / 262 | -> 263 | -> 264 |
| -> 265 |
uspto searches
Patent Apps in 70/263Granted Patents in 70/263
Use the links above or do an advanced search in ppubs for:
(70/263.ccls. or 70/264.ccls. or 70/265.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.