Stairway lift

Elevator – industrial lift truck – or stationary lift for vehicle – Stairway assist for individual or minor barrier lift for...

Reexamination Certificate

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Details

C182S141000, C182S069600, C414S921000

Reexamination Certificate

active

07096998

ABSTRACT:
A combination elevator and stairway may be installed beneath a set of stairs and includes a lift mechanism which raises and lowers a platform or enclosed car and a pivoting stairway. The lift may be hydraulically or electrically actuated and may include a telescoping lift mechanism or scissor mechanism.

REFERENCES:
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patent: 4457402 (1984-07-01), Del Vecchio et al.
patent: 5154569 (1992-10-01), Eryou et al.
patent: 5224723 (1993-07-01), Hatas
patent: 5234078 (1993-08-01), Smith
patent: 5322408 (1994-06-01), Wooden
patent: 5499694 (1996-03-01), Dorn
patent: 5632357 (1997-05-01), Matre
patent: 5937971 (1999-08-01), Storm
patent: 6050366 (2000-04-01), Lyons
patent: 6071064 (2000-06-01), Hackett
patent: 6182798 (2001-02-01), Brady et al.
patent: 6601677 (2003-08-01), Storm

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