Hierarchy/Derived subclasses
| 273 / 138.1 | -> 142r | -> 142j | -> 142ja |
| -> 142jb | |||
| -> 142jc | |||
| -> 142jd |
uspto searches
Patent Apps in 273/142JGranted Patents in 273/142J
Use the links above or do an advanced search in ppubs for:
()
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.