Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed bolt or screw with threads and complementary nut
Reexamination Certificate
2009-04-21
2011-12-06
Estremsky, Gary (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed bolt or screw with threads and complementary nut
C411S531000
Reexamination Certificate
active
08070404
ABSTRACT:
A fastener assembly comprising a fastener with a head having a first surface and second surface, and a shaft extending from the second surface of the head. An annular washer is rotatably disposed about the shaft and rotatable relative to the second surface of the fastener head. The washer has an inner diameter, an outer diameter, a first surface and a second, the first surface being positioned adjacent to the second surface of the head. A plurality of identical conical projections extend out from the second surface of the washer and are formed integrally therewith.
REFERENCES:
patent: 296948 (1884-04-01), Gilgour
patent: 641376 (1900-01-01), Dodridge
patent: 643485 (1900-02-01), Edmondson
patent: 2069402 (1937-02-01), Cowlin
patent: 2271732 (1942-02-01), Chappuis
patent: 2372653 (1945-04-01), Becket
patent: 2523652 (1950-09-01), Dowd et al.
patent: 3761867 (1973-09-01), Churla
patent: 5069589 (1991-12-01), Lemke
patent: 5487685 (1996-01-01), Stillback et al.
patent: 5658108 (1997-08-01), Swick
patent: 6082942 (2000-07-01), Swick
patent: 2006/0257229 (2006-11-01), Bucciferro et al.
Tapped Rail Bonding Stud Kits-Panduit Network and Electrical Solutions; http://www.panduit.com/Products/ProductOverviews/ProductSearch/index.htm; Aug. 14, 2008; 1 pg.
Panduit Corp. Tinley Park , Illinois; Tapped Rail Bonding Stud Kits, Customer Drawing , No. C41700; Feb. 2007; 1 pg.
Drinker Biddle & Reath LLP
Estremsky Gary
Middle Atlantic Products, Inc.
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