Heat exchanger tube

Description

FIG. 1 is a perspective view of a heat exchanger tube;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the opposite side being a mirror image of the side shown herein; and,

FIG. 5 is a top view thereof.

In the drawings, the broken lines depict portions of the heat exchanger tube that are environmental subject matter only and form no part of the claimed design.

The dashed lines show a boundary between the claimed design and unclaimed portions.

Claims

CLAIM The ornamental design for a heat exchanger tube, as shown and described.

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Inventors:	Sakae; Akira (Kobe, JP)
Applicant:	Name City State Country Type Kobe Steel, Ltd. Kobe-shi N/A JP
Assignee:	Kobe Steel, Ltd. (Kobe-shi, JP)
Appl. No.:	D/545,576
Filed:	November 13, 2015

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Foreign Application Priority Data

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May 21, 2015 [JP]			D2015-011157

Current U.S. Class:	D23/323; D23/341
Current International Class:	2303
Field of Search:	;D23/314,318,322,323,332,341 ;D15/4,6

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References Cited [Referenced By]

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U.S. Patent Documents

1821434	September 1931	Hamilton
2826672	March 1958	Brown, Jr.
4036286	July 1977	Anderson
9448012	September 2016	Chen
9906001	February 2018	Karandikar
2004/0190245	September 2004	Tirumala
2009/0195062	August 2009	Uchida
2010/0264799	October 2010	Liu
2013/0048257	February 2013	Perry
2013/0062041	March 2013	Sakae et al.
2013/0292094	November 2013	Omori
2014/0034278	February 2014	Lin
2015/0360332	December 2015	Singh
2016/0010601	January 2016	Kinsey, Jr.
2017/0001943	January 2017	Gautam
2017/0336073	November 2017	Weir

Foreign Patent Documents

	05-164496		Jun 1993		JP
	2005077035		Mar 2005		JP
	85308		May 2013		RU
	WO-2017016647		Feb 2017		WO

Primary Examiner: Nelson; T Chase
Assistant Examiner: Aman; Ania
Attorney, Agent or Firm: Oblon, McClelland, Maier & Neustadt, L.L.P.

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