Hierarchy/Derived subclasses
| 312 / 114 | -> 128 | -> 129 | -> 130 |
| -> 131 |
uspto searches
Patent Apps in 312/129Granted Patents in 312/129
Use the links above or do an advanced search in ppubs for:
(312/129.ccls. or 312/130.ccls. or 312/131.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.