Portable speed bump

Description

FIG. 1 is a front elevational view of the portable speed bump showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an isometric view thereof.

Referenced Cited
U.S. Patent Documents
D286513 November 4, 1986 Au
1661242 March 1928 Truxal
2225496 December 1940 Gethin et al.
2371462 March 1945 Nicholson
3785719 January 1974 Jonnes
Patent History
Patent number: D348230
Type: Grant
Filed: May 7, 1993
Date of Patent: Jun 28, 1994
Inventor: Francis A. Shairba (San Francisco, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Hugh E. Smith
Application Number: 0/7,973
Classifications
Current U.S. Class: D10/113