PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D920529
|
Priority
Jun 13 2019
|
Filed
Nov 01 2019
|
Issued
May 25 2021
|
Expiry
May 25 2036
|
|
Assg.orig
|
|
Entity
unknown
|
7
|
9
|
n/a
|
|
|
The ornamental design for a hair growth device, as shown and described.
|
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, |
|
|
|
20180008839, |
|
|
|
20190054311, |
|
|
|
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