Back-up warning signal

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a back-up warning signal showing my new design;

FIG. 2 is a front view of the invention;

FIG. 3 is a rear view of the invention;

FIG. 4 is a left view of the invention;

FIG. 5 is a top view of the invention; and,

FIG. 6 is a bottom view of the invention.

Referenced Cited
U.S. Patent Documents
D288676 March 10, 1987 Dewhurst
D309193 July 10, 1990 Chakrabarti et al.
3916377 October 1975 Demeter
4713732 December 15, 1987 Schamblin
Patent History
Patent number: D336864
Type: Grant
Filed: Oct 31, 1991
Date of Patent: Jun 29, 1993
Assignee: DesignTech International, Inc. (Springfield, VA)
Inventor: Mark Gottlieb (Annandale, VA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Application Number: 7/785,701
Classifications
Current U.S. Class: D10/114; D10/104