|
The ornamental design for light bulb filament, as shown and described.
|
Jiang, Hongkui, Gao, Yanzeng, Wu, Feng, Wu, Chenjun
Patent | Priority | Assignee | Title |
D907279, | Jun 06 2018 | Maglev lamp | |
D988546, | Apr 11 2022 | DONGGUAN HUIHUAN LIGHTING CO., LTD. | Light bulb |
ER2707, | |||
ER4207, | |||
ER436, | |||
ER567, | |||
ER6527, | |||
ER8669, | |||
ER8787, | |||
ER8800, | |||
ER9258, | |||
ER956, | |||
ER9913, |
Patent | Priority | Assignee | Title |
D410554, | Oct 01 1998 | Incandescent lamp | |
D422099, | May 28 1999 | Lamp | |
D549360, | Jun 16 2006 | KEETAT LIGHTING FACTORY | Light bulb |
D550864, | Apr 23 2007 | Ledvance LLC | Lamp |
D689215, | May 14 2012 | Civilight Shenzhen Semiconductor Lighting Co., Ltd. | LED bulb |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 24 2017 | JIANG, HONGKUI | XIAMEN ECO LIGHTING CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042603 | 0532 | |
May 24 2017 | WU, CHENJUN | XIAMEN ECO LIGHTING CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042603 | 0532 | |
May 24 2017 | GAO, YANZENG | XIAMEN ECO LIGHTING CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042603 | 0532 | |
May 24 2017 | WU, FENG | XIAMEN ECO LIGHTING CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042603 | 0532 | |
Jun 05 2017 | XIAMEN ECO LIGHTING CO., LTD. | (assignment on the face of the patent) |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |