E04D 1/22 of specified materials , or of combinations of materials, not covered by any one of groups E04D1/14 - E04D1/205
Introduced: September 1968
Title
Titles differ between systems:
IPC: of specified materials, or of combinations of materials, not covered by any one of groups
CPC: of specified materials , or of combinations of materials, not covered by any one of groups E04D1/14 - E04D1/205
Full Title
Full titles differ between systems:
Roof covering by making use of tiles, slates, shingles, or other small roofing elements > Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface > of specified materials, or of combinations of materials, not covered by any one of groups
Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00) > Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface (E04D1/28, E04D1/30 take precedence) > of specified materials , or of combinations of materials, not covered by any one of groups E04D1/14 - E04D1/205
No child classifications to compare. This is a leaf node in both IPC and CPC.