Hierarchy/Derived subclasses
D11 / 165 | -> 172 | -> 173 | -> 174 |
uspto searches
Patent Apps in D11/174Granted Patents in D11/174
Use the links above or do an advanced search in ppubs for:
(D11/174.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.