Barricade warning light testing device

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Description

FIG. 1 is a front elevational view of a barricade warning light testing device, showing my new design.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D173999 February 1955 Reynolds
D246767 December 27, 1977 Needham
D282246 January 21, 1986 Thomas
D289582 May 5, 1987 Brush
2229009 January 1941 Berry
Patent History
Patent number: D299440
Type: Grant
Filed: Apr 28, 1986
Date of Patent: Jan 17, 1989
Inventor: Thomas W. Barker (San Antonio, TX)
Primary Examiner: Nelson C. Holtje
Attorney: John C. Stahl
Application Number: 6/858,229