Hierarchy/Derived subclasses
| 70 / 57 | -> 77 | -> 91 | -> 101 | -> 124 | -> 125 | -> 126 |
| -> 127 |
uspto searches
Patent Apps in 70/125Granted Patents in 70/125
Use the links above or do an advanced search in ppubs for:
(70/125.ccls. or 70/126.ccls. or 70/127.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.