DIFF Subgroup
E04D 13/143 with ventilating means
Introduced: January 1995
Full Title
Full titles differ between systems:
IPC:
Special arrangements or devices in connection with roof coverings; Roof drainage > Junctions of roof sheathings to chimneys or other parts extending above the roof > with ventilating means
CPC:
Special arrangements or devices in connection with roof coverings; Roof drainage (ventilation tiles E04D1/30; ventilation slabs E04D3/40; internal channels E04F17/00) > Junctions of roof sheathings to chimneys or other parts extending above the roof > with ventilating means
No child classifications to compare. This is a leaf node in both IPC and CPC.