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Publication numberUSD380560 S
Publication typeGrant
Application numberUS 07/886,983
Publication date1 Jul 1997
Filing date21 May 1992
Publication number07886983, 886983, US D380560 S, US D380560S, US-S-D380560, USD380560 S, USD380560S
InventorsPaul J. Forsberg
Original AssigneeKeystone Retaining Wall Systems, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Three faceted broken front face of a retaining wall block
US D380560 S
Abstract  available in
Images(6)
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Claims(1)
  1. The ornamental design of a three faceted broken front face of a retaining wall block, as shown and described.
Description

FIG. 1 is a perspective view of a three faceted broken front face of a retaining wall block showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 7 is a perspective view of a second embodiment of a three faceted broken front face of a retaining wall block showing my new design;

FIG. 8 is a top plan view of FIG. 7;

FIG. 9 is a bottom plan view of FIG. 7;

FIG. 10 is a front elevational view of FIG. 7;

FIG. 11 is a rear elevational view of FIG. 7;

FIG. 12 is a side elevational view of FIG. 7, the opposite side being a mirror image thereof;

FIG. 13 is a perspective view of a three faceted broken front face of a retaining wall block showing my new design;

FIG. 14 is a top plan view of FIG. 13;

FIG. 15 is a bottom plan view of FIG. 13;

FIG. 16 is front elevational view of FIG. 13;

FIG. 17 is a rear elevational view of FIG. 13; and,

FIG. 18 is a side elevational view of FIG. 13, the opposite side being a mirror image thereof.

The broken lines in the drawings illustrate modifications of retaining wall blocks that include the broken front face of the design.

Non-Patent Citations
Reference
1Concrete Masonry Pictorial, vol. 33, No. 36, p. 35, 1977.
2Diamond Wall System dated 1988 block illustration center left side of page.
3Keystone Retaining Wall Systems Publication dated 1986, p. 2, upper right corner of pg. tap traucated block.
4Keystone Retaining Wall Systems, "Take Your First Look at the Ultimate in Retaining Wall Systems. Keystone" (1986).
5Keystone Specifications and Installation Guidelines; 1986 Building Stone Walls; by John Vivian; 1976.
6The Besser Company brochure "Modular Concrete Block", 1984.
7The Besser Company brochure, "Modular Concrete Block", 1984.
8The Besser Company brochure, "Paving Stone", Jun. 1984.
9The Besser Company brochure, "Paving Stone", Jun., 1984.
10The Besser Company Bulletin, Feb. 1985.
11The Hollow Building Tile Assoc. Handbook, p. 11, Jan. 1924.
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Classifications
U.S. ClassificationD25/113