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Patent
D879272
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Priority
May 20 2016
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Filed
May 20 2016
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Issued
Mar 24 2020
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Expiry
Mar 24 2035
TERM.DISCL.
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Assg.orig
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Entity
unknown
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6
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8
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n/a
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The ornamental design for an electric heater, as shown and described.
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FIG. 1 is a bottom perspective view of an electric heater in accordance with an embodiment;
FIG. 2 is a bottom view thereof;
FIG. 3 is a first side view thereof;
FIG. 4 is a second side view thereof;
FIG. 5 is a third side view thereof;
FIG. 6 is a fourth side view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a top perspective view thereof.
Broken lines represent unclaimed portions of the electric heater and form no part of the claimed design.
Jiawei, Sun
Patent |
Priority |
Assignee |
Title |
D312684, |
Oct 07 1988 |
NATIONAL PRESTO INDUSTRIES, INC |
Parabolic electric heater |
D382633, |
Oct 04 1995 |
CTB, INC |
RIG brooder |
D413660, |
May 20 1998 |
|
Electric heater |
D421650, |
Mar 01 1999 |
|
Electrical fan |
D454945, |
Jan 11 2001 |
IC Tech Co., Ltd.; Key-Young, Choi |
Electric heater |
D456067, |
May 08 2001 |
NATIONAL PRESTO INDUSTRIES, INC |
Parabolic heater |
51043, |
|
|
|
D633189, |
Nov 19 2009 |
NATIONAL PRESTO INDUSTRIES, INC |
Dish-style electric heater |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
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Maintenance Schedule |
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