USD916258SActiveUtility

Heat exchanger for water heater

53
Assignee: NORITZ CORPPriority: Aug 22, 2019Filed: Nov 12, 2020Granted: Apr 13, 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.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.