Interspaced erosion prevention structure

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Description

FIG. 1 is a perspective view of a interspaced erosion prevention structure, showing my new design;

FIG. 2 is a side elevation of the design according to FIG. 1;

FIG. 3 is a top plan view of my design; and

FIG. 4 is a bottom plan view of the design according to FIG. 3.

Referenced Cited
U.S. Patent Documents
4067196 January 10, 1978 Schraudenbach
4227829 October 14, 1980 Landry, Jr.
4375928 March 8, 1983 Crow et al.
Patent History
Patent number: D299759
Type: Grant
Filed: Jul 17, 1985
Date of Patent: Feb 7, 1989
Inventor: Lok M. Sharma (Edmonton, Alberta)
Primary Examiner: A. Hugo Word
Attorney: George H. Dunsmuir
Application Number: 6/755,883