Hierarchy/Derived subclasses
| 329 / 300 | -> 302 |
uspto searches
Patent Apps in 329/302Granted Patents in 329/302
Use the links above or do an advanced search in ppubs for:
(329/302.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.