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Patent
   D300254
Priority
Jun 02 1986
Filed
Jun 06 1988
Issued
Mar 14 1989
Expiry
Mar 14 2003
Inventors
Forsberg, …
Assg.orig
Keystone R…
Assg.curr
Keystone R…
Entity
unknown
Referenced by
67
References
36
Maint.:
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.
INVENTORS:

Forsberg, Paul J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
4926595, May 01 1989 KAROB CORPORATION Retaining wall cap unit
5017049, Mar 15 1990 ANCHOR WALL SYSTEMS, INC Composite masonry block
5277012, Jul 22 1992 ST LOUIS RETAINING WALL COMPANY I, L L C Retaining wall building block
5294216, Sep 28 1989 ANCHOR WALL SYSTEMS, INC Composite masonry block
5487623, Mar 31 1993 The Reinforced Earth Company Modular block retaining wall construction and components
5490363, Oct 06 1992 Anchor Wall Sytems, Inc. Composite masonry block
5589124, Sep 28 1989 Block Systems, Inc. Method of forming composite masonry blocks
5624211, Mar 31 1993 POE, L RICHARD Modular block retaining wall construction and components
5658098, Jul 26 1995 Smart Slope LLC Polymeric retaining wall building block
5704183, May 04 1993 Anchor Wall Systems, Inc. Composite masonry block
5709062, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
5711129, Oct 06 1992 Anchor Wall Systems, Inc. Masonry block
5795105, Oct 06 1992 ANCHOR WALL SYSTEMS, INC Composite masonry block
5827015, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
5879603, Nov 08 1996 ANCHOR WALL SYSTEMS, INC Process for producing masonry block with roughened surface
6029943, Nov 08 1996 ANCHOR WALL SYSTEMS, INC Splitting technique
6113318, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
6142713, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
6168353, Aug 27 1998 ANCHOR WALL SYSTEMS, INC Retaining wall and method of wall construction
6178704, Nov 08 1996 Anchor Wall Systems, Inc. Splitting technique
6183168, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
6250850, Aug 19 1999 ANCHOR WALL SYSTEMS, INC Block with multifaceted bottom surface
6312197, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
6616382, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
7048472, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
7124754, Aug 06 2004 DLK INC Method and device for creating a decorative block feature
7168218, Jun 11 2004 R&DD CONCEPTS, LLC Mortarless fence block system
7360970, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
7384215, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
7823360, May 24 2006 Open core building blocks system
8272812, Aug 15 2008 Greenwall Ventures, LLC Retaining wall system
8745953, Aug 15 2008 Smart Slope, LLC Retaining wall system
D340772, Aug 27 1992 CSTW, Inc. Retaining wall block
D340776, Aug 27 1992 CSTW, Inc. Retaining wall block
D340996, Jul 22 1992 ST LOUIS RETAINING WALL COMPANY I, L L C Retaining wall building block
D340997, Aug 27 1992 CSTW, Inc. Retaining wall block
D342580, Aug 27 1992 CSTW, Inc. Retaining wall block
D347070, Mar 31 1993 Societe Civile des Brevets Henri C. Vidal Facing block
D347285, Jun 18 1992 ST LOUIS RETAINING WALL COMPANY I, L L C Retaining wall building block
D350611, Aug 18 1993 Retaining wall block
D351031, Oct 28 1992 Infinity Stone, Inc. Retaining wall stone
D362077, Jul 22 1992 ST LOUIS RETAINING WALL COMPANY I, L L C Retaining wall facade
D362511, Aug 16 1993 Societ Civile des Brevets Henri C. Vidal Cap block
D363786, Aug 24 1994 Magnum Stone, Inc. Retaining wall stone
D372106, Jun 18 1992 ST LOUIS RETAINING WALL COMPANY I, L L C Retaining wall building block
D383857, Jul 18 1996 Retaining wall block
D396302, Apr 02 1997 Wall system
D405193, Jan 08 1997 Cast block
D405543, Oct 17 1996 Wall block
D430680, Jan 15 1999 Handy-Stone Corporation Concrete block
D433158, Jul 07 1999 Westblock Systems, Inc.; WESTBLOCK SYSTEMS, INC Retaining wall block
D437422, Aug 17 1999 ANCHOR WALL SYSTEMS, INC Face of a retaining wall block
D438640, Aug 17 1999 ANCHOR WALL SYSTEMS, INC Face of a retaining wall block
D445512, Oct 27 1997 ANCHOR WALL SYSTEMS, INC Retaining wall block
D458693, Nov 08 1996 ANCHOR WALL SYSTEMS, INC Retaining wall block
D466228, Jul 07 1999 Westblock Systems, Inc. Retaining wall block
D468450, Jul 07 1999 Westblock Systems, Inc. Retaining wall block
D475143, Jul 07 1999 Westblock Systems, Inc. Retaining wall block
D485371, Feb 17 2003 Menard, Inc. Retaining wall block
D509909, May 25 2004 DLK INC Retaining wall and block face
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
D672886, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D672887, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
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1456498,
2235646,
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4016693, Aug 22 1975 Warren Insulated Bloc, Inc. Insulated masonry block
4110949, Jul 05 1976 Baupres AG Building block
4207718, May 15 1978 WAVE WEDGE CORPORATION Concrete block wall
4208850, May 11 1978 Connector for knock-down cabinet
4228628, Nov 10 1976 Building blocks and connector means therefor
4229123, Jan 18 1978 Inclined retaining wall and element therefor
4312606, Mar 21 1980 Interlocking prefabricated retaining wall system
4335549, Dec 01 1980 DESIGNER BLOCKS, INC Method, building structure and side-split block therefore
4454699, Mar 15 1982 INTERSTATE BRICK COMPANY, A CORP OF UT Brick fastening device
4496226, Jul 22 1981 CAMBRIDGE INSTRUMENTS INC , A DE CORP ANDed motor control system for motorized ophthalmic instrument
4524551, Mar 10 1981 Construction units for the erection of walls and method of utilization
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ASSIGNMENT RECORDS    Assignment records on the USPTO
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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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