USPC Class Details

Description: 257 active solid-state devices (e.g., transistors, solid-state diodes) / 257 active solid-state devices (e.g., transistors, solid-state diodes)/(49) non-single crystal, or recrystallized, semiconductor material forms part of active junction (including field-induced active junction) (52) amorphous semiconductor material (57) field effect device in amorphous semiconductor material (60) with field electrode under or on a side edge of amorphous semiconductor material (e.g., vertical current path)

Hierarchy/Derived subclasses

257 / 49-> 52-> 57-> 60

uspto searches

Patent Apps in 257/60

Granted Patents in 257/60

Use the links above or do an advanced search in ppubs for:
(257/60.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.
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