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Patent
   D340996
Priority
Jul 22 1992
Filed
Sep 30 1992
Issued
Nov 02 1993
Expiry
Nov 02 2007
Inventors
Woolbright…
Assg.orig
HERCULES M…
Assg.curr
ST LOUIS …
Entity
unknown
Referenced by
10
References
27
Maint.:
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 showing my new design;

FIG. 2 is a bottom plan thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a left side elevational view thereof.
INVENTORS:

Woolbright, Mark A.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
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
D363786, Aug 24 1994 Magnum Stone, Inc. Retaining wall stone
D386365, May 31 1996 HSN Improvements, LLC Landscape timber connecting system member
D416094, Oct 27 1998 Building element
D416627, Dec 31 1997 GENERAL ELECTRIC CAPITAL CORPORATION, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT Retaining wall block with side openings
D428499, May 27 1999 WILMINGTON TRUST, NATIONAL ASSOCIATION Retaining wall block with side openings
D448492, May 27 1999 WILMINGTON TRUST, NATIONAL ASSOCIATION Retaining wall block with side openings
D587381, Oct 11 2007 Pacific Fence-Crete Ltd. Landscaping block
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1015584,
1349552,
3073061,
3389499,
4060952, May 05 1976 Brick
4107894, Apr 30 1975 Interlocking cementitious building blocks
4229123, Jan 18 1978 Inclined retaining wall and element therefor
4379659, Sep 05 1980 Waldormills Company Establishment Building blocks
4426176, Aug 10 1981 TOKUYAMA SODA CO , LTD , A CORP OF JAPAN L-Shaped concrete block and method for constructing a retaining wall by such L-shaped concrete blocks
4521138, Sep 05 1980 WALDERMILLS COMPANY ESTABLISHMENT Building blocks
4565043, Sep 02 1983 Building block with reinforcement and/or positioning lugs and recesses
4671706, Oct 17 1985 GIUSEPPE SALVO; SALVO, GIUSEPPE Concrete retaining wall block
4684294, Jan 15 1986 Retaining wall construction element
4914876, Sep 15 1986 MELLON BANK, N A Retaining wall with flexible mechanical soil stabilizing sheet
4920712, Jan 31 1989 KAROB CORPORATION Concrete retaining wall block, retaining wall and method of construction therefore
4930283, May 19 1988 Waldormills Company Establishment Brick
4964761, Sep 30 1988 Retaining wall adapted to be provided with vegetation, comprising openings serving as a concealed framing for concrete
5044834, Jul 26 1990 ANCHOR WALL SYSTEMS, INC Retaining wall construction and blocks therefor
5066169, Feb 19 1991 THE PETER GAVIN SPRAY TRUST UNDER AGREEMENT DATED MAY 26, 2004, BY AND BETWEEN NORMAN W GAVIN AS GRANTOR AND PETER GAVIN AND MICHAEL N DELGASS AS TRUSTEES Retaining wall system
5072566, Sep 24 1990 Landscaping block
217244,
D295365, Jan 10 1985 Cutting tool
D296007, May 27 1986 KEYSTONE RETAINING WALL SYSTEMS, INC , A CORP OF MINNESOTA Wall block
D300253, Jun 02 1986 Keystone Retaining Wall Systems, Inc. Retaining wall block
D300254, Jun 02 1986 Keystone Retaining Wall Systems, Inc. Retaining wall block
D310267, Apr 07 1989 Retaining wall block
FR2651258,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 28 1997WOOLBRIGHT, MARK A HERCULES MANUFACTURING, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0087090612 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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