Hierarchy/Derived subclasses
342 / 350 | -> 352 | -> 357.2 | -> ipc | -> 357.39 | -> 357.51 | -> 357.52 | -> 357.53 | ||||
-> 357.54 | |||||||||||
-> 357.55 | |||||||||||
-> 357.56 | |||||||||||
-> 357.57 |
uspto searches
Patent Apps in 342/357.52Granted Patents in 342/357.52
Use the links above or do an advanced search in ppubs for:
(342/357.52.ccls. or 342/357.53.ccls. or 342/357.54.ccls. or 342/357.55.ccls. or 342/357.56.ccls. or 342/357.57.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.