H10W 70/421 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H10W 70/421

Full Title

Package substrates; Interposers; Redistribution layers [RDL] > Leadframes

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.