Spin down flush tube

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Description

FIG. 1 is a perspective view of a spin down flush tube, showing my new design;

FIG. 2 is a front plan view of a spin down flush tube;

FIG. 3 is a rear plan view of a spin down flush tube;

FIG. 4 is a right side plan view of a spin down flush tube;

FIG. 5 is a left side plan view of a spin down flush tube;

FIG. 6 is a top plan view of a spin down flush tube;

FIG. 7 is a bottom plan view of a spin down flush tube; and,

FIG. 8 is a cross sectional view of a spin down flush tube.

A device that extends filter life by facilitating fluid flow reversal in a liquid filtration system, e.g. a water filtration system.

Claims

The ornamental design for a spin down flush tube, as shown.

Referenced Cited
U.S. Patent Documents
2082611 June 1937 Benge
D135633 May 1943 Stark
2751237 June 1956 Conley
4504086 March 12, 1985 Carrow
4930816 June 5, 1990 Biing-Yih
5039134 August 13, 1991 Meadows et al.
D480786 October 14, 2003 Wilk et al.
D481109 October 21, 2003 Dole et al.
D481110 October 21, 2003 Snyder et al.
6991263 January 31, 2006 Zarubaiko
7686346 March 30, 2010 Buccicone et al.
D630305 January 4, 2011 Adams et al.
20090223583 September 10, 2009 Coscarella
Patent History
Patent number: D644305
Type: Grant
Filed: Sep 16, 2010
Date of Patent: Aug 30, 2011
Inventor: Patrick Hyden White (Snellville, GA)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric Goodman
Attorney: George R. Reardon
Application Number: 29/375,070
Classifications
Current U.S. Class: Pipe, Tubing Or Hose (D23/266)