DIFF Subgroup
E04D 13/02 Roof-covering aspects of dormer windows (E04D13/14 takes precedence; structures therefor E04B7/18)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Roof-covering aspects of dormer windows
CPC: Roof-covering aspects of dormer windows (E04D13/14 takes precedence; structures therefor E04B7/18)
Full Title
Full titles differ between systems:
IPC:
Special arrangements or devices in connection with roof coverings; Roof drainage > Roof-covering aspects of dormer windows
CPC:
Special arrangements or devices in connection with roof coverings; Roof drainage (ventilation tiles E04D1/30; ventilation slabs E04D3/40; internal channels E04F17/00) > Roof-covering aspects of dormer windows (E04D13/14 takes precedence; structures therefor E04B7/18)
No child classifications to compare. This is a leaf node in both IPC and CPC.