Prefabricated sound barrier wall

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

FIG. 1 is a perspective view showing the prefabricated sound barrier wall of the present invention installed adjacent to a roadway the plurality of dotted and broken lines are not part of the design sought to be patented but rather illustrate only vehicles traveling on the roadway as well as the environmental structure of the roadway itself, i.e., a center median and lane markers;

FIG. 2 is a perspective view broken at plural locations to show the overall shape and appearance of the barrier wall of FIG. 1;

FIG. 3 is a side elevation view showing the front side of the barrier wall of FIG. 1, the back side of the barrier wall being identical in appearance;

FIG. 4 is a sectional view taken at lines 4--4 of FIG. 3 to better illustrate the outward configuration of the barrier wall; and

FIG. 5 is an end elevation view of the barrier wall of FIG. 1, the alternate end of the barrier wall being identical in configuration.

Referenced Cited
U.S. Patent Documents
3136530 June 1964 Case
3393896 July 1968 Poland
3936035 February 3, 1976 Weimar et al.
3983956 October 5, 1976 Manhart
Patent History
Patent number: D248571
Type: Grant
Filed: Feb 19, 1976
Date of Patent: Jul 18, 1978
Inventor: Lewis R. Herbst (Anaheim, CA)
Primary Examiner: A. Hugo Word
Attorney: Louis J. Knobbe
Application Number: 5/659,296
Classifications
Current U.S. Class: D25/38
International Classification: D2502;