Spiral stairways supported by a central column

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Stairways, ramps, or like structures; Balustrades; Handrails > Stairways; Layouts thereof > characterised by the supporting structure > Spiral stairways supported by a central column

CPC:

Stairways, ramps, or like structures (mounting or marking-off stairways E04F21/26; of temporary construction E04G27/00; means for facilitating access to swimming pools E04H4/144; ); Balustrades; Handrails (ladders permanently attached to fixed structures E06C9/00) > Stairways; Layouts thereof > characterised by the supporting structure > Spiral stairways supported by a central column

No child classifications to compare. This is a leaf node in both IPC and CPC.