Hierarchy/Derived subclasses
144 / 382 | -> 402 | -> 416 | -> 417 |
uspto searches
Patent Apps in 144/416Granted Patents in 144/416
Use the links above or do an advanced search in ppubs for:
(144/416.ccls. or 144/417.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.