Patent
   D904587
Priority
Aug 22 2019
Filed
Aug 22 2019
Issued
Dec 08 2020
Expiry
Dec 08 2035
Assg.orig
Entity
unknown
0
16
n/a
The ornamental design for a heat exchanger for water heater, as shown and described.

FIG. 1 is a perspective view of a heat exchanger for water heater showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 3;

FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 6; and,

FIG. 11 is a cross-sectional view taken along line 11-11 in FIG. 3.

Kondo, Masaki, Oohigashi, Takeshi, Wada, Norihide

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Aug 08 2019OOHIGASHI, TAKESHINORITZ CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0501240050 pdf
Aug 09 2019KONDO, MASAKINORITZ CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0501240050 pdf
Aug 09 2019WADA, NORIHIDENORITZ CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0501240050 pdf
Aug 22 2019NORITZ CORPORATION(assignment on the face of the patent)
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