E
SECTION E — FIXED CONSTRUCTIONS
  
BUILDING
 E06
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
 E06C
LADDERS (E04F 11/00 takes precedence; step-stools A47C 12/00; adaptation of ladders to use on ships B63B, to use on aircraft B64; scaffolding E04G)  [5,6]
P:20 E06C 1/00
Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00)
P:0 E06C 5/00
Ladders characterised by being mounted on undercarriages or vehicles; Securing ladders on vehicles (ladders having wheels, rollers, or runners E06C 1/00)
P:30 E06C 7/00
Component parts, supporting parts, or accessories
P:10 E06C 9/00
Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes (movable stairways E04F 11/02)