Retaining wall block

Description

FIG. 1 is a left side perspective view of a retaining wall block showing my new design;

FIG. 2 is a front elevation view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right side elevation view, a left side view being the mirror image thereof;

FIG. 5 is a rear elevation view; and,

FIG. 6 is a top plan view.

Referenced Cited
U.S. Patent Documents
D343461 January 18, 1994 Powell
4229123 October 21, 1980 Heinzman
4920712 May 1, 1990 Dean, Jr.
5294216 March 15, 1994 Slevert
Other references
  • "Light in the Hand . . . Heavy in the Wall" Brochure, 2 Pages, by Stonewall Retaining Wall Systems and Westblock Products, Inc. 1991. "PISA II Interlocking Retaining Wall System" Brochure, 2 Pages, by PISA II and RISI Stone Ltd. 1988. "PISA II Interlocking Retaining Wall System for Garden Landscaping" Brochure, 2 Pages, by PISA II and RISI Stone Ltd. 1984, 1985. "Interlocking Retaining Walls From RISI Stone" Brochure, 2 Pages, by Rothbury Investments Ltd. and RISI Stone Ltd. 1989.
Patent History
Patent number: D363787
Type: Grant
Filed: Jun 13, 1994
Date of Patent: Oct 31, 1995
Assignee: Lehi Block Co. (Lehi, UT)
Inventor: Arthur T. Powell (Lehi, UT)
Primary Examiner: Doris Clark
Attorney: M. Reid Russell
Application Number: 0/24,372
Classifications