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Patent
D921171
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Priority
Jan 23 2020
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Filed
Mar 17 2020
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Issued
Jun 01 2021
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Expiry
Jun 01 2036
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Assg.orig
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Entity
unknown
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3
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10
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n/a
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The ornamental design for a hand warmer, as shown and described.
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FIG. 1 is a front elevation view of a hand warmer;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a right elevation view thereof;
FIG. 4 is a left elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top perspective view thereof; and,
FIG. 8 is a bottom perspective view thereof.
He, Xiangming, Lin, Guanglian
| Patent |
Priority |
Assignee |
Title |
| 20160346162, |
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| 20190170397, |
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| CN205505153, |
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| CN208983455, |
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| CN211244016, |
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| D274837, |
Jul 24 1980 |
VAPORTEK, INC , A CORP OF WI |
Air purifier |
| D466598, |
Jan 10 2002 |
|
Ceramic fan heater |
| D521620, |
Dec 27 2004 |
A.I. Air Technology, Inc. |
Air purifier |
| D848008, |
Mar 01 2017 |
THERMA BRIGHT INC |
Hot cold therapy device |
| D861847, |
May 26 2017 |
Puzhen Life Co., Limited |
Aroma diffuser |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a