E04D 12/004 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E04D 12/004

Full Title

Non-structural supports for roofing materials, e.g. battens, boards (E04D11/02 take precedence; )

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.