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Patent
   D295788
Priority
Feb 11 1987
Filed
Feb 11 1987
Issued
May 17 1988
Expiry
May 17 2002
Inventors
Forsberg, …
Assg.orig
KEYSTONE R…
Assg.curr
Keystone R…
Entity
unknown
Referenced by
66
References
30
Maint.:
n/a
The ornamental design of a wall block, substantially as shown and described.

FIG. 1 is a perspective view of a wall block showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof, the opposite being a mirror image thereof;

FIG. 5 is a front view thereof; and

FIG. 6 is a rear view thereof.
INVENTORS:

Forsberg, Paul J.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
4920712, Jan 31 1989 KAROB CORPORATION Concrete retaining wall block, retaining wall and method of construction therefore
4926595, May 01 1989 KAROB CORPORATION Retaining wall cap unit
5017049, Mar 15 1990 ANCHOR WALL SYSTEMS, INC Composite masonry block
5062610, Sep 28 1989 Block Systems Inc.; BLOCK SYSTEMS INC , A CORP OF MN Composite masonry block mold for use in block molding machines
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
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
5848511, Jan 21 1997 Blocks for constructing low-rise ornamental wall and method
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
6474036, May 14 1999 Retaining wall block
6488448, Oct 15 1993 Kiltie Corp. Block module
6616382, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
6960048, Oct 15 1999 Kiltie Corporation Modular segmented retaining wall
7048472, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
7090438, Aug 19 1999 ANCHOR WALL SYSTEMS, INC Block with multifaceted bottom surface
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
7229235, Oct 15 1999 Kiltie Corporation Retaining wall system
7244079, Oct 15 1999 Kiltie Corporation Retaining wall system
7351014, Aug 19 1999 ANCHOR WALL SYSTEMS, INC Block with multifaceted bottom surface
7360970, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry block
7384215, Oct 06 1992 Anchor Wall Systems, Inc. Composite masonry block
9493923, Dec 31 2015 Propex Operating Company, LLC Internally braced geosynthetic wrapped system for constructing stabilized-earth walls and slopes
D340772, Aug 27 1992 CSTW, Inc. Retaining wall block
D340776, Aug 27 1992 CSTW, Inc. Retaining wall block
D340997, Aug 27 1992 CSTW, Inc. Retaining wall block
D341215, Dec 06 1991 Kiltie Corporation; KILTIE CORPORATION A CORP OF MN Retaining wall block
D342580, Aug 27 1992 CSTW, Inc. Retaining wall block
D346667, Sep 09 1992 Kiltie Corporation Retaining wall block
D350611, Aug 18 1993 Retaining wall block
D351031, Oct 28 1992 Infinity Stone, Inc. Retaining wall stone
D362511, Aug 16 1993 Societ Civile des Brevets Henri C. Vidal Cap block
D363786, Aug 24 1994 Magnum Stone, Inc. Retaining wall stone
D383857, Jul 18 1996 Retaining wall block
D391376, Apr 12 1995 Handy-Stone Corporation Retaining wall block
D396302, Apr 02 1997 Wall system
D405193, Jan 08 1997 Cast block
D405543, Oct 17 1996 Wall block
D429004, Aug 04 1994 Handy-Stone Corporation Retaining wall block
D430680, Jan 15 1999 Handy-Stone Corporation Concrete block
D435302, Oct 15 1999 Kiltie Corp. Front surface of a retaining wall module
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
D447573, Oct 15 1999 Kiltie Corp. Front surface of a retaining wall module
D452332, Oct 15 1999 Kiltie Corporation Modular retaining wall block
D458387, Oct 15 1999 Kiltie Corp. Modular retaining wall block
D458693, Nov 08 1996 ANCHOR WALL SYSTEMS, INC Retaining wall block
D509909, May 25 2004 DLK INC Retaining wall and block face
D537533, Sep 28 2005 Kiltie Corporation Retaining wall block
D552258, Sep 28 2005 Kiltie Corporation Retaining wall block
D569010, Sep 28 2005 Kiltie Corporation Retaining wall block
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1092621,
1222061,
126547,
1414444,
1456498,
2235646,
228052,
2882689,
2963828,
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3430404,
3557505,
3936987, Jan 13 1975 Interlocking brick or building block and walls constructed therefrom
3995434, Aug 08 1974 Nippon Tetrapod Co., Ltd.; Robert Q., Palmer Wave dissipating wall
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
4454699, Mar 15 1982 INTERSTATE BRICK COMPANY, A CORP OF UT Brick fastening device
4496266, Dec 30 1981 Kronimus & Sohn GmbH & Co. KG Curved like paving stone element for use in setting a curved paving
4524551, Mar 10 1981 Construction units for the erection of walls and method of utilization
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566924,
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FR392474,
GB1385207,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 03 1987FORSBERG, PAUL J KEYSTONE RETAINING WALL SYSTEMS, INC , A CORP OF MN ASSIGNMENT OF ASSIGNORS INTEREST 0046670847 pdf
Feb 11 1987Keystone 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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