Hierarchy/Derived subclasses
| 70 / 266 | -> 286 | -> 315 | -> 316 | -> 317 |
| -> 318 |
uspto searches
Patent Apps in 70/316Granted Patents in 70/316
Use the links above or do an advanced search in ppubs for:
(70/316.ccls. or 70/317.ccls. or 70/318.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.