Road hazard warning sign

Description

FIG. 1 is a front elevational view of a road hazard warning sign showing my new design, the undisclosed rear being the same in appearance; and

FIG. 2 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D220013 February 1971 Kaltman
2002248 December 1934 Muehleisen
3946699 March 30, 1976 Mirshak
Patent History
Patent number: D305213
Type: Grant
Filed: Feb 5, 1987
Date of Patent: Dec 26, 1989
Inventor: Thomas E. Hughes (Houston, TX)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Application Number: 7/11,132
Classifications
Current U.S. Class: D10/109