Hierarchy/Derived subclasses
164 / 1 | -> 47 | -> 459 | -> 462 | -> 463 |
uspto searches
Patent Apps in 164/463Granted Patents in 164/463
Use the links above or do an advanced search in ppubs for:
(164/463.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.