---

Register or Login To Download This Patent As A PDF

United States Patent	D590,103
Hunter	April 7, 2009

---

---

---

CLAIM The ornamental design for a back washing apparatus, as shown and described.

---

Inventors:	Hunter; Richard (Inglewood, CA)
Appl. No.:	D/271,131
Filed:	January 10, 2007

---

Current U.S. Class:	D28/63
Current International Class:	2803
Field of Search:	D28/63,91.2 4/559,605,606 15/104.92,104.93,160,161,244.3

---

References Cited

---

U.S. Patent Documents

2735434	February 1956	DeRossett
4047259	September 1977	Lotis
4053960	October 1977	Kingswell
4076876	February 1978	Bowles
5175896	January 1993	Zamir
5628083	May 1997	Hayes
6427279	August 2002	White et al.
6526618	March 2003	Bolton
6568029	May 2003	Letts

Foreign Patent Documents

	666180		Jul., 1988		CH

Primary Examiner: Tung; Melanie H
Assistant Examiner: Tabor; Lavone D

---

Description

---

FIG. 1 is a perspective view of a back washing apparatus showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of a wall in FIG. 1 illustrates environmental structure that forms no part of the claimed design. The surface treatment, which is partially shown for ease of illustration on the cleaning means, represents a conventional material and is understood to continue throughout the surfaces indicated.

* * * * *