Stackable wall block
Price April 10, 2
U.S. patent number D540,478 [Application Number D/260,133] was granted by the patent office on 2007-04-10 for stackable wall block. This patent grant is currently assigned to Rockwood Retaining Walls, Inc.. Invention is credited to Brian A Price.
| United States Patent | D540,478 |
| Price | April 10, 2007 |
Stackable wall block
Claims
CLAIM I claim the ornamental design for a stackable wall block, as shown.
| Inventors: | Price; Brian A (Rochester, MN) |
|---|---|
| Assignee: | Rockwood Retaining Walls, Inc.
(Rochester, MN) |
| Appl. No.: | D/260,133 |
| Filed: | May 19, 2006 |
| Current U.S. Class: | D25/113 |
| Current International Class: | 2501 |
| Field of Search: | ;D25/112-118 ;D21/484-490,499-502 ;405/15-16,33,35,284-286 ;404/29-42 ;52/503,504,575,596-599,603-605,608,612 |
References Cited [Referenced By]
U.S. Patent Documents
| 1260024 | March 1918 | Parton |
| 1795451 | March 1931 | Sharpe |
| 1816916 | August 1931 | Sentrop |
| 5622456 | April 1997 | Risi et al. |
| 5647185 | July 1997 | Forlini |
| D403437 | December 1998 | Risi et al. |
| D405193 | February 1999 | Scales |
| D466229 | November 2002 | Risi et al. |
| D479342 | September 2003 | Dawson |
| 6651401 | November 2003 | Price et al. |
| D485371 | January 2004 | Burgess et al. |
| 7059808 | June 2006 | Risi |
| 7096635 | August 2006 | Price |
Other References
|
"Classic" product literature, Rockwood Retaining Walls, 12 pgs., 1997. cited by other. |
Primary Examiner: Zarfas; Louis S.
Assistant Examiner: Andoll; Gregory
Attorney, Agent or Firm: Patterson, Thuente, Skaar & Christensen, P.A.
Description
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.
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