IPC Subgroup
E04F 11/06 collapsible, e.g. folding, telescopic
Introduced: September 1968
Last revised: January 2006
Full Title
Stairways, ramps, or like structures; Balustrades; Handrails > Stairways; Layouts thereof > Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible > collapsible, e.g. folding, telescopic
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS