Hierarchy/Derived subclasses
| 329 / 315 | -> 323 | -> 325 | -> 326 |
uspto searches
Patent Apps in 329/325Granted Patents in 329/325
Use the links above or do an advanced search in ppubs for:
(329/325.ccls. or 329/326.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.