Heat exchanger tube

- Kobe Steel, Ltd.
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Description

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

FIG. 2 is a front view thereof, the opposite side being an identical image of the side shown herein;

FIG. 3 is a left side view thereof, the opposite side being an identical image of the side shown herein; and,

FIG. 4 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

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

Referenced Cited
U.S. Patent Documents
1804465 May 1931 Govers
3282335 November 1966 De Haller
4215454 August 5, 1980 Anthony
6216675 April 17, 2001 Bennett
D816136 April 24, 2018 Karol
20020000312 January 3, 2002 Brand
20100263161 October 21, 2010 Lee
20130062041 March 14, 2013 Sakae
20170221383 August 3, 2017 Karol
20170292053 October 12, 2017 Zaggl
20180030889 February 1, 2018 Yoshizawa
Foreign Patent Documents
05-164496 June 1993 JP
85319 May 2013 RU
Patent History
Patent number: D861839
Type: Grant
Filed: Nov 12, 2015
Date of Patent: Oct 1, 2019
Assignee: Kobe Steel, Ltd. (Kobe-shi)
Inventor: Akira Sakae (Kobe)
Primary Examiner: T Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/545,337