USPC Class Details

Description: 438 semiconductor device manufacturing: process / 438 semiconductor device manufacturing: process/(106) packaging (e.g., with mounting, encapsulating, etc.) or treatment of packaged semiconductor (110) making plural separate devices (111) using strip lead frame

Hierarchy/Derived subclasses

438 / 106

-> 110

-> 111

-> 112

uspto searches

Patent Apps in 438/111

Granted Patents in 438/111

Use the links above or do an advanced search in ppubs for:
(438/111.ccls. or 438/112.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.

Display:

Back