Ladder top walk through extensions

Fire escape – ladder – or scaffold – With handrail or guard for ladder

Reexamination Certificate

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Reexamination Certificate

active

11042741

ABSTRACT:
Walk through ladder extensions are provided to attach to the upper ends of ladder side rails, and define a wide unobstructed space between them. The extensions can be gripped by a user to steady the user as the user moves onto a roof of a building against which the ladder is placed.

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patent: 2005/0023084 (2005-02-01), Lazarus
patent: 2005/0211501 (2005-09-01), Maiorano

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