Safety railing system

Fences – Rail

Reexamination Certificate

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Details

C256SDIG006, C182S113000, C052SDIG012

Reexamination Certificate

active

06908075

ABSTRACT:
Upright stanchions with supports for removable horizontal safety rails have bottom end portions supported on base units that, in turn, are secured to wall framing from the inside of the framing.

REFERENCES:
patent: 3995833 (1976-12-01), McLaughlin et al.
patent: 4666131 (1987-05-01), Kettelkamp et al.
patent: 4669577 (1987-06-01), Werner
patent: 5314167 (1994-05-01), Holloman
patent: 5573227 (1996-11-01), Hemauer et al.
patent: 5638917 (1997-06-01), Vennen
patent: 5829549 (1998-11-01), Flynn
patent: 6003630 (1999-12-01), Whalen
patent: 6015028 (2000-01-01), Smith
patent: 6038829 (2000-03-01), Franks
patent: 6053281 (2000-04-01), Murray
patent: 6276668 (2001-08-01), Sweeley
patent: 6666298 (2003-12-01), Volkman
patent: 6679482 (2004-01-01), Allenbaugh
patent: 2003/0015696 (2003-01-01), Warson
patent: 2004/0007423 (2004-01-01), Scott

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