Illuminated changeable warning signal

Description

FIG. 1 is a front perspective view of an illuminated changeable warning signal showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is the side elevational view thereof, the opposite side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view thereof with the rear panel being pivoted over to the front of the signal. When this "slow" signal is pivoted to completely cover the front "stop" signal the front and rear faces of the signal both read "slow" as shown in FIG. 3.

Referenced Cited
U.S. Patent Documents
D185605 June 1959 Kalser
D196622 October 1963 Laudi
D224628 August 1972 Lamb
D231493 April 1974 Allington
D231909 June 1974 Allington
D257614 December 9, 1980 Branner et al.
D274317 June 19, 1984 Nelson
1263072 April 1918 Klink
1388060 August 1921 Ricigliano
1583410 May 1926 Mastin
3139611 June 1964 Fleming
3279110 October 1966 Lelicoff
3435412 March 1969 Bohrer, Sr.
3810091 May 1974 Hoover
4042919 August 16, 1977 Patty
4090186 May 16, 1978 Renner
4475476 October 9, 1984 Howard
Patent History
Patent number: D315695
Type: Grant
Filed: May 6, 1988
Date of Patent: Mar 26, 1991
Inventor: Jack A. DeCaro (Tacoma, WA)
Primary Examiner: Susan J. Lucas
Attorney: James F. Leggett
Application Number: 7/190,946
Classifications
Current U.S. Class: D10/114