Hierarchy/Derived subclasses
| 127 / 34 | -> 42 | -> 63 | -> 64 |
uspto searches
Patent Apps in 127/63Granted Patents in 127/63
Use the links above or do an advanced search in ppubs for:
(127/63.ccls. or 127/64.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.