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Patent
   D551360
Priority
May 19 2006
Filed
May 19 2006
Issued
Sep 18 2007
Expiry
Sep 18 2021

TERM.DISCL.
Inventors
Price, Bri…
Assg.orig
Rockwood R…
Assg.curr
Mortarless…
Entity
unknown
Referenced by
7
References
13
Maint.:
n/a
I claim the ornamental design for a stackable wall block, as shown.

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

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a bottom view thereof.

FIG. 5 is a top view thereof; and,

FIG. 6 is a side view thereof.

The broken lines appearing in the figures are not intended to form part of the claimed design and are provided for illustrative purposes only.
INVENTORS:

Price, Brian A

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D620135, Nov 22 2004 CAMBRIDGE PAVERS, INC Modular block system
D663858, Jul 20 2010 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D667138, Mar 17 2010 EARTH WALL PRODUCTS, LLC Retaining wall modular block
D671657, Jul 20 2010 Keystone Retaining Wall Systems, Inc. Landscaping block
D685502, Jul 20 2010 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D708765, Jul 20 2010 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
ER2440,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1260024,
1795451,
1816916,
5622456, Mar 23 1995 Rothbury Investments Ltd. Retaining wall blocks
5647185, Nov 19 1993 Structural blocks and assemblies thereof
6651401, Mar 02 2001 Mortarless Technologies LLC Retaining wall and method of wall construction
7059808, May 28 2004 Jagna Ltd. Split key segmental retaining wall system
7096635, Mar 02 2001 Mortarless Technologies LLC Multiuse block and retaining wall
D403437, Jun 03 1997 Rothbury International Inc. Modular block
D405193, Jan 08 1997 Cast block
D466229, Dec 18 2001 Rothbury International Inc. Retaining wall block
D479342, Nov 12 2002 KEYSTONE RETAINING WALL SYSTEMS, INC Landscaping block
D485371, Feb 17 2003 Menard, Inc. Retaining wall block
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 10 2006PRICE, MR BRIAN A Rockwood Retaining Walls, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0179090417 pdf
May 19 2006Mortarless Technologies LLC(assignment on the face of the patent)
Feb 06 2007Rockwood Retaining Walls, IncMortarless Technologies LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0191160834 pdf
Jun 25 2009Mortarless Technologies LLCHOME FEDERAL SAVINGS BANKSECURITY AGREEMENT0229020555 pdf
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