Hierarchy/Derived subclasses
| 70 / 266 | -> 336 | -> 337 | -> 340 | -> 341 |
uspto searches
Patent Apps in 70/341Granted Patents in 70/341
Use the links above or do an advanced search in ppubs for:
(70/341.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.