Hierarchy/Derived subclasses
| 338 / 13 | -> 32r | -> 32h |
| -> 32s |
uspto searches
Patent Apps in 338/32rGranted Patents in 338/32r
Use the links above or do an advanced search in ppubs for:
(338/32r.ccls. or 338/32h.ccls. or 338/32s.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.