|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D827163
|
|
Priority
Jun 05 2017
|
|
Filed
Jun 05 2017
|
|
Issued
Aug 28 2018
|
|
Expiry
Aug 28 2033
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
25
|
|
5
|
|
n/a
|
|
|
|
The ornamental design for light bulb filament, as shown and described.
|
FIG. 1 is a perspective front View of light bulb filament;
FIG. 2 is a front View thereof;
FIG. 3 is a rear View thereof;
FIG. 4 is a left side View thereof;
FIG. 5 is a right side View thereof;
FIG. 6 is a top plan View thereof;
FIG. 7 is a bottom plan View thereof; and,
FIG. 8 is a perspective front View thereof.
Jiang, Hongkui, Gao, Yanzeng, Wu, Feng, Wu, Chenjun
| Patent |
Priority |
Assignee |
Title |
| D887034, |
Apr 24 2017 |
|
Filament-style LED array light |
| D913570, |
Apr 24 2017 |
|
Filament-style LED array light |
| D982191, |
Sep 30 2021 |
DONGGUAN HUIHUAN LIGHTING CO., LTD.; DONGGUAN HUIHUAN LIGHTING CO , LTD |
Light bulb |
| D986444, |
Apr 11 2022 |
DONGGUAN HUIHUAN LIGHTING CO., LTD.; DONGGUAN HUIHUAN LIGHTING CO , LTD |
Light bulb |
| D988546, |
Apr 11 2022 |
DONGGUAN HUIHUAN LIGHTING CO., LTD. |
Light bulb |
| ER1047, |
|
|
|
| ER178, |
|
|
|
| ER2707, |
|
|
|
| ER3073, |
|
|
|
| ER369, |
|
|
|
| ER3960, |
|
|
|
| ER41, |
|
|
|
| ER436, |
|
|
|
| ER5366, |
|
|
|
| ER5380, |
|
|
|
| ER5429, |
|
|
|
| ER6390, |
|
|
|
| ER6474, |
|
|
|
| ER7672, |
|
|
|
| ER8001, |
|
|
|
| ER8219, |
|
|
|
| ER8669, |
|
|
|
| ER8787, |
|
|
|
| ER8826, |
|
|
|
| ER9258, |
|
|
|
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a