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Patent
D904588
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Priority
Aug 22 2019
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Filed
Aug 22 2019
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Issued
Dec 08 2020
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Expiry
Dec 08 2035
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Assg.orig
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Entity
unknown
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0
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17
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n/a
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The ornamental design for a heat exchanger for water heater, as shown and described.
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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; and,
FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 6.
Kondo, Masaki, Oohigashi, Takeshi, Wada, Norihide
Patent |
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Date |
Maintenance Fee Events |
n/a
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Maintenance Schedule |
n/a