Patent
   D300254
Priority
Jun 02 1986
Filed
Jun 06 1988
Issued
Mar 14 1989
Expiry
Mar 14 2003
Assg.orig
Entity
unknown
67
36
n/a
The ornamental design for a retaining wall block, as shown and described.

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.

Forsberg, Paul J.

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D666740, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D666741, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D667139, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D667140, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D667566, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
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///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 06 1988Keystone Retaining Wall Systems, Inc.(assignment on the face of the patent)
Sep 15 1997KEYSTONE RETAINING WALL SYSTEMS, INC U S BANK NATIONAL ASSOCIATIONSECURITY AGREEMENT0087320302 pdf
Dec 21 1999U S BANK NATIONAL ASSOCIATIONKEYSTONE RETAINING WALL SYSTEMS, INC RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0112380432 pdf
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