USD917031SActiveUtility

Heat exchanger for water heater

53
Assignee: NORITZ CORPPriority: Aug 22, 2019Filed: Nov 12, 2020Granted: Apr 20, 2021
Est. expiryAug 22, 2039(~13.1 yrs left)· nominal 20-yr term from priority
Inventors:Takeshi OohigashiMasaki KondoNorihide Wada
53
PatentIndex Score
1
Cited by
14
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a heat exchanger for water heater, as shown and described.

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