Aeration pipe unit

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Description

FIG. 1 is a perspective view of an aeration pipe unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left right side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for the purpose of illustrating portions of the aeration pipe unit and form no part of the claimed design.

Claims

The ornamental design for an aeration pipe unit, as shown and described.

Referenced Cited
U.S. Patent Documents
3612282 October 1971 Cheng
4911846 March 27, 1990 Akasu et al.
5174900 December 29, 1992 Nichols et al.
5192456 March 9, 1993 Ishida et al.
5202023 April 13, 1993 Trimmer et al.
5236665 August 17, 1993 Mathewson et al.
5338512 August 16, 1994 Mathewson et al.
D375540 November 12, 1996 McDonald
5922201 July 13, 1999 Yamamori et al.
6153097 November 28, 2000 Jensvold et al.
6214226 April 10, 2001 Kobayashi et al.
6555005 April 29, 2003 Zha et al.
6630069 October 7, 2003 Sakashita et al.
20010009235 July 26, 2001 Sakashita et al.
20030038075 February 27, 2003 Akimoto et al.
20040045890 March 11, 2004 Herczeg
20050121391 June 9, 2005 Koch
20060014274 January 19, 2006 Klaus
20100258492 October 14, 2010 Kang et al.
20100270227 October 28, 2010 Kang et al.
20110024345 February 3, 2011 Lee
Patent History
Patent number: D648426
Type: Grant
Filed: Jul 28, 2010
Date of Patent: Nov 8, 2011
Assignee: Mitsubishi Rayon Company, Ltd.
Inventors: Katsuyuki Yanone (Toyohashi), Tomoki Kawagishi (Toyohashi), Shinya Sueyoshi (Toyohashi)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric Goodman
Attorney: SAIDMAN DesignLaw Group
Application Number: 29/366,644
Classifications
Current U.S. Class: Pipe, Tubing Or Hose (D23/266)