E04D 1/29 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

E04D 1/29

Full Title

Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00)

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.