DIFF Subgroup
E04B 9/04 comprising slabs, sheets or the like
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation > comprising slabs, sheets or the like
CPC:
Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (ceilings used as forms for making floors E04B5/00; coverings or linings for ceilings E04F13/00) > comprising slabs, sheets or the like
Of 12 combined children, 0 exist in both systems.
12 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open