Hierarchy/Derived subclasses
| 126 / 561 | -> 568 |
uspto searches
Patent Apps in 126/568Granted Patents in 126/568
Use the links above or do an advanced search in ppubs for:
(126/568.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.