DIFF Subgroup
E04F 11/025 Stairways having stringers
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 > Stairways having stringers
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 > Stairways having stringers
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
Navigate with arrow keys, Enter to open