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Patent
D857183
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Priority
May 21 2015
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Filed
Nov 16 2015
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Issued
Aug 20 2019
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Expiry
Aug 20 2034
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Assg.orig
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Entity
unknown
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7
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19
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n/a
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The ornamental design for a heat exchanger tube, as shown and described.
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FIG. 1 is a perspective view of a heat exchanger tube;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof, the opposite side being a mirror image of the side shown herein;
FIG. 5 is a top view thereof, the opposite side being an identical image of the side shown herein; and,
FIG. 6 is a cross-sectional view taken along line 6-6 in Fig. 2 thereof.
In the drawings, the broken lines depict unclaimed portions of the design only and form no part of the claimed design.
Sakae, Akira
Patent |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a