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Patent
D920529
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Priority
Jun 13 2019
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Filed
Nov 01 2019
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Issued
May 25 2021
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Expiry
May 25 2036
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Assg.orig
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Entity
unknown
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7
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9
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n/a
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The ornamental design for a hair growth device, as shown and described.
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FIG. 1 is a front and top perspective view of a hair growth device, showing my new design;
FIG. 2 is a rear and bottom perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines in the figures illustrate portions of the hair growth device that form no part of the claimed design.
Liu, Jianwen
| Patent |
Priority |
Assignee |
Title |
| 20170028216, |
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| 20180008839, |
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| 20190054311, |
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| D777339, |
Nov 12 2015 |
WELLMIKE TECHNOLOGY CORPORATION |
Wearable phototherapy apparatus for hair and scalp treatment |
| D849959, |
Jul 28 2016 |
PhotonMD, Inc. |
Phototherapy cap |
| D872293, |
Jan 12 2018 |
|
Laser hair growth cap |
| D896977, |
Nov 02 2018 |
|
Phototherapy helmet |
| D897548, |
Apr 03 2020 |
DONGGUAN LESCOLTON INTELLIGENT ELECTRICAL APPLIANCE CO., LTD; DONGGUAN LESCOLTON INTELLIGENT ELECTRICAL APPLIANCE CO , LTD |
Hair growth helmet |
| D909595, |
Nov 20 2018 |
LG Electronics Inc |
Scalp treatment apparatus |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a