Patent
   D347285
Priority
Jun 18 1992
Filed
Jun 18 1992
Issued
May 24 1994
Expiry
May 24 2008
Assg.orig
Entity
unknown
5
32
n/a
The ornamental design for retaining wall building block, as shown and described.

FIG. 1 is a top plan view of a retaining wall building block of a first embodiment showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front view of a retaining wall building block of a second embodiment.

Woolbright, Mark A.

Patent Priority Assignee Title
5658098, Jul 26 1995 Smart Slope LLC Polymeric retaining wall building block
8272812, Aug 15 2008 Greenwall Ventures, LLC Retaining wall system
8745953, Aug 15 2008 Smart Slope, LLC Retaining wall system
9695596, May 02 2011 Pacific Prebenched Ltd.; PACIFIC PREBENCHED LTD Natural rock panel, natural rock veneer panel and panel support apparatus
D587381, Oct 11 2007 Pacific Fence-Crete Ltd. Landscaping block
Patent Priority Assignee Title
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FR2651258,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 18 1992St. Louis Retaining Wall Co., Inc.(assignment on the face of the patent)
Jun 18 1992WOOLBRIGHT, MARK A ST LOUIS RETAINING WALL COMPANY, INC ASSIGNMENT OF ASSIGNORS INTEREST 0061990385 pdf
Apr 28 1997WOOLBRIGHT, MARK A HERCULES MANUFACTURING, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0087090612 pdf
Jul 19 2002ST LOUIS RETAINING WALL COMPANY, INC HERCULES MFG , INC MERGER SEE DOCUMENT FOR DETAILS 0155710095 pdf
Apr 21 2006ST LOUIS RETAINING WALL COMPANY I, L L C ST LOUIS RETAINING WALL COMPANY, L L C CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0202340096 pdf
May 13 2006HERCULES MFG , INC ST LOUIS RETAINING WALL COMPANY I, L L C ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0177660849 pdf
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