Hierarchy/Derived subclasses
| D11 / 1 | -> 40 | -> 9 | -> 48 | -> 49 | -> 52 |
uspto searches
Patent Apps in D11/52Granted Patents in D11/52
Use the links above or do an advanced search in ppubs for:
(D11/52.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.