Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06C—LADDERS
E06C1/00—Ladders in general
E06C1/02—Ladders in general with rigid longitudinal member or members
E06C1/14—Ladders capable of standing by themselves
E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
E06C1/22—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts
E—FIXED CONSTRUCTIONS
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06C—LADDERS
E06C1/00—Ladders in general
E06C1/02—Ladders in general with rigid longitudinal member or members
E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
E06C1/39—Ladders having platforms; Ladders changeable into platforms