Heat exchanger tube
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Description
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
Foreign Patent Documents
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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
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
Classifications