Expanded – threaded – driven – headed – tool-deformed – or locked-thr – With means to indicate application of predetermined... – Axially deformable member or portion
Reexamination Certificate
2008-03-17
2010-12-28
Saether, Flemming (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
With means to indicate application of predetermined...
Axially deformable member or portion
C411S013000, C411S014000
Reexamination Certificate
active
07857562
ABSTRACT:
A direct tension indicating washer including a first surface having a protuberance formed thereon; a second surface having an indentation formed opposite the protuberance; an indicating material positioned in the indentation; and a channel leading from the indentation to an outer diameter of the direct tension indicating washer; wherein the protuberance has four walls, each of the walls being substantially perpendicular to the first surface.
REFERENCES:
patent: 3187621 (1965-06-01), Turner
patent: 3285120 (1966-11-01), Kartiala
patent: 3948141 (1976-04-01), Shinjo
patent: 3960048 (1976-06-01), Wagner
patent: 4157052 (1979-06-01), Kulka
patent: 5015132 (1991-05-01), Turner et al.
patent: 5370483 (1994-12-01), Hood et al.
patent: 5487632 (1996-01-01), Hood et al.
patent: 5769581 (1998-06-01), Wallace et al.
patent: 5921737 (1999-07-01), Ibey
patent: 5931618 (1999-08-01), Wallace et al.
patent: 6152665 (2000-11-01), Wallace et al.
patent: 6425718 (2002-07-01), Herr et al.
patent: 6582173 (2003-06-01), Miller
patent: 6729819 (2004-05-01), Wallace
patent: 6824225 (2004-11-01), Stiffler
patent: 7635243 (2009-12-01), Turner et al.
Cantor & Colburn LLP
Saether Flemming
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