Hierarchy/Derived subclasses
| 312 / 235.2 | -> 235.5 | -> 235.6 |
| -> 235.7 |
uspto searches
Patent Apps in 312/235.5Granted Patents in 312/235.5
Use the links above or do an advanced search in ppubs for:
(312/235.5.ccls. or 312/235.6.ccls. or 312/235.7.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.