Hierarchy/Derived subclasses
| 66 / 125r | -> 132r | -> 132t |
uspto searches
Patent Apps in 66/132rGranted Patents in 66/132r
Use the links above or do an advanced search in ppubs for:
(66/132r.ccls. or 66/132t.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.