CPC Subgroup
E04D 3/361 by specially-profiled marginal portions of the slabs or sheets
Full Title
Roof covering by making use of flat or curved slabs or stiff sheets (E04D1/00 takes precedence; built-up roofs E04D11/02) > Connecting; Fastening > by specially-profiled marginal portions of the slabs or sheets
6 direct subcodes
Child Classifications
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- E04D 3/362 by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
- E04D 3/363 with snap action (E04D3/366 takes precedence)