Retaining wall block

Description

FIG. 1 is a bottom front perspective view of a retaining wall block of my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a sectional view taken along line 6--6 of FIG. 2; and

FIG. 7 is a sectional view taken along line 7--7 of FIG. 3.

Referenced Cited
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Other references
  • The Hollow Building Tile Assoc, Handbook, p. 11, Jan. 1924. Concrete Masonry Pictorial, vol. 33, No. 3 C 1977, p. 35. The Besser Company brochure "Modular Concrete Block", 1984, pp. 18-19. The Besser Company brochure "Paving Stone", Jun. 1984, pp. The Besser Company Bulletin, Feb. 1985.
Patent History
Patent number: D300254
Type: Grant
Filed: Jun 6, 1988
Date of Patent: Mar 14, 1989
Assignee: Keystone Retaining Wall Systems, Inc. (Edina, MN)
Inventor: Paul J. Forsberg (Burnsville, MN)
Primary Examiner: A. Hugo Word
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 7/202,993