E01F 8/0005 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E01F 8/0005

Full Title

Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)

Of 8 combined children, 0 exist in both systems.

8 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →