Ladder top walk through extensions

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

Reexamination Certificate

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Reexamination Certificate

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07322442

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.

REFERENCES:
patent: 3136384 (1964-06-01), Sweeney et al.
patent: 4146114 (1979-03-01), Beavers
patent: 4293055 (1981-10-01), Hooser
patent: 4548293 (1985-10-01), Haab
patent: 5012895 (1991-05-01), Santos
patent: 5242031 (1993-09-01), Ashley
patent: 5282339 (1994-02-01), Devlin et al.
patent: 5341899 (1994-08-01), Casamento
patent: D364930 (1995-12-01), Burge et al.
patent: D402046 (1998-12-01), Lal
patent: 5941343 (1999-08-01), Kelsey
patent: 6095283 (2000-08-01), Ellis
patent: 6394229 (2002-05-01), Hastreiter
patent: 2005/0023084 (2005-02-01), Lazarus
patent: 2005/0211501 (2005-09-01), Maiorano

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