Hierarchy/Derived subclasses
| D11 / 95 | -> 97 | -> 98 |
uspto searches
Patent Apps in D11/98Granted Patents in D11/98
Use the links above or do an advanced search in ppubs for:
(D11/98.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.