Hierarchy/Derived subclasses
| 126 / 204 | -> 208 | -> 209 |
| -> 210 |
uspto searches
Patent Apps in 126/208Granted Patents in 126/208
Use the links above or do an advanced search in ppubs for:
(126/208.ccls. or 126/209.ccls. or 126/210.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.