Hierarchy/Derived subclasses
D11 / 200 | -> 238 | -> 29 | -> 239 | -> 240 |
uspto searches
Patent Apps in D11/240Granted Patents in D11/240
Use the links above or do an advanced search in ppubs for:
(D11/240.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.