Hierarchy/Derived subclasses
D6 / 329 | -> 641 | -> 654 | -> 654.1 | -> 654.13 |
uspto searches
Patent Apps in D6/654.13Granted Patents in D6/654.13
Use the links above or do an advanced search in ppubs for:
(D6/654.13.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.