Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD347285 S
Publication typeGrant
Application numberUS 07/900,853
Publication date24 May 1994
Filing date18 Jun 1992
Publication number07900853, 900853, US D347285 S, US D347285S, US-S-D347285, USD347285 S, USD347285S
InventorsMark A. Woolbright
Original AssigneeSt. Louis Retaining Wall Co., Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Retaining wall building block
US D347285 S
Images(2)
Previous page
Next page
Claims(1)
  1. The ornamental design for retaining wall building block, as shown and described.
Description

FIG. 1 is a top plan view of a retaining wall building block of a first embodiment showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front view of a retaining wall building block of a second embodiment.

Non-Patent Citations
Reference
1Allan Block Corporation, Bloomington, Minn., Allan Block Retaining Walls, pp. 1-4 and two inserts, 1990.
2Keystone Retaining Wall Systems, Inc., Minneapolis, Minn., Compac Unit, pp. 1 and 2, 1990.
3Keystone Retaining Wall Systems, Inc., Minneapolis, Minn., Keystone Retaining Wall Systems, Foldable insert, 1991.
4Kiltie Corporation, North St. Paul., Minn., Versa-Lok Retaining Wall Systems, Foldable insert, 1989.
5Seagren Industries, Inc., St. Louis, Mo., Loffelstein Retaining Walls, pp. 1-4 and insert, Circa. 1990.
6Stone Wall, Landscape Retaining Wall System, pp. 1-4 and one insert, Circa. 1990.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US827281217 Aug 200925 Sep 2012Smart Slope LlcRetaining wall system
Classifications
U.S. ClassificationD25/113