Tailgate ladder

Fire escape – ladder – or scaffold – Ladder with land vehicle

Reexamination Certificate

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Details

C182S095000, C182S097000, C296S062000, C280S166000

Reexamination Certificate

active

06971478

ABSTRACT:
A ladder for a truck fitted with a pivotal tailgate, the ladder comprising a first leg portion pivotally coupled to a second leg portion, where at least one of the leg portions is fitted with at least one rung. An upper end of the first leg portion is pivotally attachable to an upper portion of the tailgate and a lower end of the second leg portion is pivotally attachable to a lower portion of the truck. When the tailgate is in its closed position, the first leg portion and the second leg portion continuously extend in a first operable position and opening the tailgate facilitates deploying the ladder into a corresponding second operable position.

REFERENCES:
patent: 3606382 (1971-09-01), Pollock
patent: 3853369 (1974-12-01), Holden
patent: 3980157 (1976-09-01), Wrigley
patent: 4021071 (1977-05-01), Norman
patent: 4757876 (1988-07-01), Peacock
patent: 4773503 (1988-09-01), Purkapile
patent: 4815561 (1989-03-01), Ostrander
patent: 4848821 (1989-07-01), Llewellyn
patent: 4934485 (1990-06-01), Purkapile
patent: 5205603 (1993-04-01), Burdette, Jr.
patent: 5224437 (1993-07-01), Stanescu
patent: 5487207 (1996-01-01), Rey
patent: 5941342 (1999-08-01), Lee
patent: 6116378 (2000-09-01), Barrow
patent: 6422342 (2002-07-01), Armstrong et al.
patent: 6622822 (2003-09-01), Langhoff et al.
patent: 279486 (1995-10-01), None

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