Three faceted broken front face of a retaining wall block
Latest Keystone Retaining Wall Systems, Inc. Patents:
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.
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Type: Grant
Filed: May 21, 1992
Date of Patent: Jul 1, 1997
Assignee: Keystone Retaining Wall Systems, Inc. (Edina, MN)
Inventor: Paul J. Forsberg (Edina, MN)
Primary Examiner: Doris Clark
Law Firm: Dorsey & Whitney LLP
Application Number: 7/886,983
International Classification: 2501;