Hierarchy/Derived subclasses
| 70 / 14 | -> 20 | -> 31 | -> 35 | -> 41 | -> 45 | -> 47 |
uspto searches
Patent Apps in 70/47Granted Patents in 70/47
Use the links above or do an advanced search in ppubs for:
(70/47.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.