PTO
Wrapper
PDF
Dossier
Espace
Google
Patent
D435917
Priority
Aug 31 1999
Filed
May 05 2000
Issued
Jan 02 2001
Expiry
Jan 02 2015
Assg.orig
Entity
unknown
13
10
n/a
The ornamental design for a retaining wall block , as shown and described.
FIG. 1 is a perspective view of the front face and bottom of a retaining
wall block embodying my new design as viewed toward the front, top and one
side of the block; FIG. 2 is a rear elevational view of the block of FIG.
1; FIG. 3 is a top plan view of the block of FIG. 1; FIG. 4 is a side
elevational view of the block of FIG. 1, the opposite side being a mirror
image thereof; FIG. 5 is a front elevational view of the block of FIG. 1;
FIG. 6 is a sectional view of the block of FIG. 1 taken along the line
6--6 of FIG. 1; and, FIG. 7 is a bottom plan view of the block of FIG. 1.
Hammer, Thomas S.
Patent
Priority
Assignee
Title
10760269 ,
Oct 25 2017
KEYSTONE RETAINING WALL SYSTEMS LLC
Retaining wall block and retaining wall block system
11598094 ,
Oct 25 2017
KEYSTONE RETAINING WALL SYSTEMS LLC
Retaining wall block and retaining wall block system
6715965 ,
Sep 30 1999
Redi-Rock International, LLC
Retaining wall blocks and retaining walls constructed from such blocks
9169642 ,
Apr 30 2010
Anchor Wall Systems, Inc.
Free-standing wall arrangement and methods
9441370 ,
Apr 30 2010
Anchor Wall Systems, Inc.
Free-standing wall arrangement and methods
9695596 ,
May 02 2011
Pacific Prebenched Ltd.; PACIFIC PREBENCHED LTD
Natural rock panel, natural rock veneer panel and panel support apparatus
9745743 ,
Apr 30 2010
Anchor Wall Systems, Inc.
Free-standing wall arrangement and methods
D466228 ,
Jul 07 1999
Westblock Systems, Inc.
Retaining wall block
D663858 ,
Jul 20 2010
KEYSTONE RETAINING WALL SYSTEMS, INC
Landscaping 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
D846760 ,
Oct 25 2017
KEYSTONE RETAINING WALL SYSTEMS LLC
Wall block
Patent
Priority
Assignee
Title
1412666 ,
1592476 ,
4340360 ,
Jun 19 1980
Veitscher Magnesitwerke-Aktiengesellschaft; Shinagawa Refractories Co., Ltd.
Fire brick for a rotary kiln
5622456 ,
Mar 23 1995
Rothbury Investments Ltd.
Retaining wall blocks
5711129 ,
Oct 06 1992
Anchor Wall Systems, Inc.
Masonry block
6082933 ,
Jun 09 1998
Nicolock of Long Island
Concrete block
D359367 ,
Mar 14 1994
Landscaping block
D362511 ,
Aug 16 1993
Societ Civile des Brevets Henri C. Vidal
Cap block
D381086 ,
May 03 1995
MELLON BANK, N A
Front face of a retaining wall block
D417506 ,
Dec 03 1997
Retaining wall block
Executed on Assignor Assignee Conveyance Frame Reel Doc
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a