Hierarchy/Derived subclasses
| 200 / 1r | -> 16r | -> 16a |
| -> 16b | ||
| -> 16c | ||
| -> 16d | ||
| -> 16e | ||
| -> 16f |
uspto searches
Patent Apps in 200/16RGranted Patents in 200/16R
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.