PTO Wrapper PDF
Dossier Espace Google
Patent
   D343461
Priority
Oct 05 1992
Filed
Oct 05 1992
Issued
Jan 18 1994
Expiry
Jan 18 2008
Inventors
Powell, Ar…
Assg.orig
LEHI BLOCK…
Assg.curr
LEHI BLOCK…
Entity
unknown
Referenced by
40
References
7
Maint.:
n/a
The ornamental design for a retaining wall block, as shown and described.

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

FIG. 2 is a top plan view;

FIG. 3 is a right side elevation view, the left side view being a mirror image thereof;

FIG. 4 is a front elevation view; and,

FIG. 5 is a rear elevation view.
INVENTORS:

Powell, Arthur T.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5601384, Jun 07 1995 MELLON BANK, N A Plantable retaining wall
5913790, Jun 07 1995 MELLON BANK, N A Plantable retaining wall block
6978580, Nov 08 2002 Solid core concrete block and method of making a concrete block retaining wall
7963727, Sep 12 2006 E DILLON & COMPANY Retaining wall block and retaining wall comprised of retaining wall blocks
8734060, Feb 17 2011 E. Dillon & Company; E DILLON & COMPANY Double-wall structure comprised of interconnected dry-stacked wall blocks
D363787, Jun 13 1994 Lehi Block Co. Retaining wall block
D381086, May 03 1995 MELLON BANK, N A Front face of a retaining wall block
D387434, Jun 07 1995 MELLON BANK, N A Front face of a plantable retaining wall block
D397230, May 03 1995 MELLON BANK, N A Front face of a retaining wall
D397451, Oct 23 1995 MELLON BANK, N A Section of a retaining wall with plantable blocks
D405543, Oct 17 1996 Wall block
D417506, Dec 03 1997 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
D466228, 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
D539438, May 05 2006 ANCHOR WALL SYSTEMS, INC Retaining wall block
D556919, Sep 14 2006 ANCHOR WALL SYSTEMS, INC Stackable wall block
D587382, Oct 15 2007 E DILLON & COMPANY Retaining wall block
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
D689203, Mar 29 2012 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D689204, Mar 29 2012 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D694914, Mar 29 2012 KEYSTONE RETAINING WALL SYSTEMS LLC Landscaping block
D703346, Sep 12 2012 ANCHOR WALL SYSTEMS, INC Molded surface of a concrete product
D705951, Nov 29 2010 Anchor Wall Systems, Inc. Molded surface of a concrete product
D706958, Nov 18 2008 Anchor Wall Systems, Inc. Molded surface of a concrete product
D722392, Nov 18 2008 Anchor Wall Systems, Inc. Molded surface of a concrete product
D722706, Sep 12 2012 Anchor Wall Systems, Inc. Molded surface of a concrete product
D743576, Nov 18 2008 Anchor Wall Systems, Inc. Molded surface of a concrete product
D749237, Sep 12 2012 Anchor Wall Systems, Inc. Molded surface of a concrete product
D789554, Nov 18 2008 Anchor Wall Systems, Inc. Molded surface of a concrete product
D815307, Nov 18 2008 Anchor Wall Systems, Inc. Molded surface of a concrete product
D823404, Apr 30 2017 Yoga block
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3418774,
3998022, Aug 04 1967 Interlocking building blocks
4123881, Aug 04 1967 Wall structure with insulated interfitting blocks
4229123, Jan 18 1978 Inclined retaining wall and element therefor
4794749, Nov 20 1984 Building system
203590,
D250484, Dec 13 1976 Building block
ASSIGNMENT RECORDS    Assignment records on the USPTO
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 22 1993POWELL, ARTHUR T LEHI BLOCK COMPANYASSIGNMENT OF ASSIGNORS INTEREST 0063970919 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule