E04D 2001/304 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

E04D 2001/304

Full Title

Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00) > Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles (E04D3/40 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →