USPC Class Details

Description: 977 nanotechnology / 977 nanotechnology/(700) nanostructure (813) of specified inorganic semiconductor composition (e.g., periodic table group iv-vi compositions, etc.) (815) group iii-v based compounds (e.g., alagabincnxpyasz, etc.) (821) mixed group v compounds (e.g., iii-nxpy, etc.)

Hierarchy/Derived subclasses

977 / 700-> 813-> 815-> 821

uspto searches

Patent Apps in 977/821

Granted Patents in 977/821

Use the links above or do an advanced search in ppubs for:
(977/821.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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