Self-sinking screw

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Description

FIG. 1 is a perspective top view of a self-sinking screw, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a self-sinking screw, as shown and described.

Patent History
Patent number: D678758
Type: Grant
Filed: Aug 6, 2012
Date of Patent: Mar 26, 2013
Inventors: Joseph H. Ross (Alameda, CA), Christopher S. Ross (San Leandro, CA)
Primary Examiner: Sheryl Lane
Application Number: 29/428,953
Classifications
Current U.S. Class: D8/387