Hierarchy/Derived subclasses
| 70 / 1.5 | -> 1.7 |
uspto searches
Patent Apps in 70/1.5Granted Patents in 70/1.5
Use the links above or do an advanced search in ppubs for:
(70/1.5.ccls. or 70/1.7.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.