Patent
   D921171
Priority
Jan 23 2020
Filed
Mar 17 2020
Issued
Jun 01 2021
Expiry
Jun 01 2036
Assg.orig
Entity
unknown
3
10
n/a
The ornamental design for a hand warmer, as shown and described.

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

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ER3990,
ER9377,
Patent Priority Assignee Title
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CN208983455,
CN211244016,
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 17 2020HANGMEN KEYE ELECTRIC APPLIANCES MANUFACTURING CO., LTD(assignment on the face of the patent)
Mar 17 2020HE, XIANGMINGJIANGMEN KEYE ELECTRIC APPLIANCES MANUFACTURING CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0521840054 pdf
Mar 17 2020LIN, GUANGLIANJIANGMEN KEYE ELECTRIC APPLIANCES MANUFACTURING CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0521840054 pdf
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