Construction chair for use with tilt wall construction

Details Construction chair for use with tilt wall construction Construction chair for use with tilt wall construction

2007-07-03

2007-07-03

Friedman, Carl D. (Department: 3635)

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Spacer-positioner; e.g., rebar chair

C052S689000

Reexamination Certificate

active

10688184

ABSTRACT:
A chair has a receiving area and a plurality of separate legs extending downwardly from the receiving area. Each of the separate legs has a first portion extending in an angle outwardly from the receiving area and a second portion extending from an end of the first portion opposite the receiving area. The second portion extends vertically downwardly or inwardly from the end of the first portion. The first portion has a length substantially greater than a length of the second portion.

REFERENCES:
patent: 4000591 (1977-01-01), Courtois
patent: D271847 (1983-12-01), Hernandez
patent: 4483119 (1984-11-01), Hernandez
patent: 4682461 (1987-07-01), Sizemore
patent: 4756641 (1988-07-01), Hartzheim
patent: D334133 (1993-03-01), Hartzheim
patent: 5555693 (1996-09-01), Sorkin
patent: D388312 (1997-12-01), Sorkin
patent: 5791095 (1998-08-01), Sorkin
patent: 6557317 (2003-05-01), Sorkin
patent: D480291 (2003-10-01), Sorkin
patent: D482262 (2003-11-01), Sorkin

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