Gypsum wallboard fastener

Details Gypsum wallboard fastener Gypsum wallboard fastener

2005-06-21

2005-06-21

Friedman, Carl D. (Department: 3635)

Static structures (e.g., buildings)

Settable material receiving backer fixed to furring, joist,...

Impaling-type fastener

C052S481100, C052S362000, C052S361000, C052S506050, C411S399000, C411S411000, C411S402000, C411S394000

Reexamination Certificate

active

06907699

ABSTRACT:
A fastener for securing a 0.625 inch (⅝ inch) thick gypsum wallboard panel to a wooden building frame. The fastener includes a body having a predetermined axial length. The body includes a cupped head at one axial end of the body, having a diameter that is at least in excess of 0.297 inches ({fraction (19/64)} inches), a threaded portion at an opposite axial end of the body and an unthreaded shank portion extending between the cupped head and the threaded portion, wherein the shank portion has an axial length that is at least in excess of one-third of the axial length of the fastener body, and a shank portion diameter that is at least in excess of 0.098 inches.

REFERENCES:
patent: 213551 (1879-03-01), Doten
patent: 493585 (1893-03-01), Herzberg
patent: 4572720 (1986-02-01), Rockenfeller et al.
patent: 5199839 (1993-04-01), DeHaitre
patent: 5540531 (1996-07-01), Choiniere
patent: 5890860 (1999-04-01), Dorris
patent: 6074149 (2000-06-01), Habermehl et al.
patent: 6302631 (2001-10-01), Takasaki et al.
patent: 6412247 (2002-07-01), Menchetti et al.

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