Patent
   D524638
Priority
Jun 17 2004
Filed
Jun 17 2004
Issued
Jul 11 2006
Expiry
Jul 11 2020
Assg.orig
Entity
unknown
8
6
n/a
The ornamental design for a slotted hex washer screw head, as shown and described.

FIG. 1 is a perspective view showing my new design for a slotted hex washer screw head;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view which is a mirror image of the right side;

FIG. 4 is a front elevational view which is a mirror image of the rear; and,

FIG. 5 is a bottom plan view.

The broken line drawings of the threaded shank are for illustrative purposes only and form no part of the claimed design.

Berhow, Bruce L.

Patent Priority Assignee Title
8790059, Mar 27 2012 The Johns Hopkins University Washer assembly for mounting on irregular surfaces
9044843, May 07 2014 Strip resistant screw and rescue driver
D741158, Feb 12 2014 LOCK N BOLT CORPORATION Lock bolt
D914492, May 30 2019 Curiteva, Inc. Resilient fastener washer
ER3070,
ER5518,
ER902,
ER9101,
Patent Priority Assignee Title
6174118, Sep 04 1998 3M Innovative Properties Movable retention device for a threaded fastener
D374814, Oct 17 1995 Double-nut headed ceramic bolt
D418048, Feb 25 1998 Bolt
D459207, Mar 01 1999 MIYATA, YOSHIKO 50% SHARE Nut
D464253, Aug 17 2001 PGI International, Ltd. Thermowell
D482957, Nov 12 2002 The Peelle Company Self-tapping bolt
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 09 2004BERHOW, BRUCE L MALCO PRODUCTS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0154910660 pdf
Jun 17 2004Malco Products, Inc.(assignment on the face of the patent)
Jan 31 2017MALCO PRODUCTS, INC Malco Products, SBCCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0494290372 pdf
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