Hierarchy/Derived subclasses
362 / 551 | -> 557 |
uspto searches
Patent Apps in 362/557Granted Patents in 362/557
Use the links above or do an advanced search in ppubs for:
(362/557.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.