Heat exchanger for water heater
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Description
The broken lines shown in the drawings represent portions of the heat exchanger for water heater that form no part of the claimed design.
Claims
The ornamental design for a heat exchanger for water heater, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D916258
Type: Grant
Filed: Nov 12, 2020
Date of Patent: Apr 13, 2021
Assignee: NORITZ CORPORATION (Hyogo)
Inventors: Takeshi Oohigashi (Hyogo), Masaki Kondo (Hyogo), Norihide Wada (Hyogo)
Primary Examiner: Ania Aman
Application Number: 29/758,048
Type: Grant
Filed: Nov 12, 2020
Date of Patent: Apr 13, 2021
Assignee: NORITZ CORPORATION (Hyogo)
Inventors: Takeshi Oohigashi (Hyogo), Masaki Kondo (Hyogo), Norihide Wada (Hyogo)
Primary Examiner: Ania Aman
Application Number: 29/758,048
Classifications
Current U.S. Class:
Heat Exchange Unit, E.g., Coil, Etc. (D23/323)