Hierarchy/Derived subclasses
| 126 / 500 | -> 536 | -> 539 |
uspto searches
Patent Apps in 126/539Granted Patents in 126/539
Use the links above or do an advanced search in ppubs for:
(126/539.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.