Emergency alert signal

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Description

FIG. 1 is a perspective view of an emergency alert signal;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines depict unclaimed environmental subject matter.

Claims

The ornamental design for a emergency alert signal, as shown.

Referenced Cited
U.S. Patent Documents
2674726 April 1954 Williams
2753442 July 1956 Wiswell
3181135 April 1965 Zoglio
3875561 April 1975 Scarpino et al.
3899669 August 1975 Nathanson
4017825 April 12, 1977 Pichey
4135144 January 16, 1979 Elmasian
D261048 September 29, 1981 Price
4704610 November 3, 1987 Smith et al.
4736186 April 5, 1988 Jones
5103383 April 7, 1992 Mayhew
5426417 June 20, 1995 Stanuch
D361731 August 29, 1995 Stegar
D384589 October 7, 1997 Loach
D388007 December 23, 1997 Koski
5825280 October 20, 1998 Merendini et al.
6448904 September 10, 2002 Flores
6522261 February 18, 2003 Scheffler et al.
D498674 November 23, 2004 Smouha
6847306 January 25, 2005 Diba et al.
D513477 January 10, 2006 Heftman
20020080023 June 27, 2002 DeMarco et al.
20060132323 June 22, 2006 Grady, Jr.
Patent History
Patent number: D579811
Type: Grant
Filed: Mar 31, 2008
Date of Patent: Nov 4, 2008
Inventors: Richard Cambell (Killeen, TX), Jacqueline J Simon (Killeen, TX)
Primary Examiner: Robert M. Spear
Assistant Examiner: George D Kirschbaum
Application Number: 29/305,979
Classifications
Current U.S. Class: D10/114