E04F 21/0053 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E04F 21/0053

Full Title

Implements for finishing work on buildings (for working or treating building elements of stone or stone-like material B28D)

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.