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Patent
   D297767
Priority
Sep 15 1986
Filed
May 11 1987
Issued
Sep 20 1988
Expiry
Sep 20 2002
Inventors
Forsberg, …
Assg.orig
KEYSTONE R…
Assg.curr
Keystone R…
Entity
unknown
Referenced by
72
References
9
Maint.:
n/a
The ornamental design for a block wall, as shown and described.

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

FIG. 2 is an enlarged front perspective view of a portion of the block wall of FIG. 1.
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
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
5522682, Mar 02 1994 TENSAR CORPORATION, LLC A GA CORP Modular wall block system and grid connection device for use therewith
5540525, Jun 06 1994 TENSAR CORPORATION, LLC A GA CORP Modular block retaining wall system and method of constructing same
5589124, Sep 28 1989 Block Systems, Inc. Method of forming composite masonry blocks
5619835, Jan 25 1996 WILMINGTON TRUST, NATIONAL ASSOCIATION Modular block retaining wall system
5624211, Mar 31 1993 POE, L RICHARD Modular block retaining wall construction and components
5673530, Jan 25 1996 WILMINGTON TRUST, NATIONAL ASSOCIATION Modular block retaining wall system
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
6312197, Sep 27 1989 Anchor Wall Systems, Inc. Composite masonry 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
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
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
8887469, Sep 20 2011 KEYSTONE RETAINING WALL SYSTEMS LLC Slant wall block and wall section including same
9267260, Sep 20 2011 KEYSTONE RETAINING WALL SYSTEMS LLC Slant wall block and wall section including same
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
D342580, Aug 27 1992 CSTW, Inc. 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
D379668, Feb 28 1996 Transition unit for a retaining wall having irregular stonework
D379669, Feb 28 1996 Stackable unit for a retaining wall having irregular stonework
D379670, Feb 28 1996 Stackable unit for a retaining wall having irregular stonework
D396302, Apr 02 1997 Wall system
D405193, Jan 08 1997 Cast block
D405543, Oct 17 1996 Wall 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
D485371, Feb 17 2003 Menard, 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
D667139, Jun 28 2011 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D667140, 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
D720087, Dec 06 2012 KEYSTONE RETAINING WALL SYSTEMS LLC Wall
D749752, Dec 06 2012 KEYSTONE RETAINING WALL SYSTEMS LLC Wall
D833038, Nov 30 2016 ITALMESH S R L ; GARDEN DESIGN DI MAFEZZONI MAURIZIO & C S N C Vertical garden panel
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2882689,
4016693, Aug 22 1975 Warren Insulated Bloc, Inc. Insulated masonry block
4312606, Mar 21 1980 Interlocking prefabricated retaining wall system
4335549, Dec 01 1980 DESIGNER BLOCKS, INC Method, building structure and side-split block therefore
4496266, Dec 30 1981 Kronimus & Sohn GmbH & Co. KG Curved like paving stone element for use in setting a curved paving
4658541, Feb 05 1986 Interlocking planters, for use in erecting decorative walls or the like
FR1360872,
GB2127872,
GB336,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 05 1987FORSBERG, PAUL J KEYSTONE RETAINING WALL SYSTEMS, INC , 3101 WEST 69TH STREET, EDINA, MN , 55435, A CORP OF MN ASSIGNMENT OF ASSIGNORS INTEREST 0047200896 pdf
May 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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