US Patent 8201661 Platform for extension ladder

A platform for an extension ladder comprises a plate member adapted to engage a pair of rails on each of a first stage and a second stage of the extension ladder and become wedged therebetween and to remain parallel to the ground when the plate member rests on a rung of the extension ladder. The plate member has at least six sides, a bottom cutout, a middle cutout and a top cutout; each cutout oppositely disposed on at least six sides; and each cutout relating to various positions along a length of the extension ladder.