IPC Subgroup
E04F 11/104 Treads
Introduced: January 1995
Last revised: January 2006
Full Title
Stairways, ramps, or like structures; Balustrades; Handrails > Stairways; Layouts thereof > Treads
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Related Keywords
TREADS for stairways
4 direct subcodes
Child Classifications
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- E04F 11/108 of wood
- E04F 11/112 of metal
- E04F 11/116 of stone, concrete or like material
- E04F 11/16 Surfaces thereof; Protecting means for the edges or corners thereof