Hierarchy/Derived subclasses
| 26 / 29r | -> 29p |
uspto searches
Patent Apps in 26/29pGranted Patents in 26/29p
Use the links above or do an advanced search in ppubs for:
(26/29p.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.