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Patent
D827164
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Priority
Jun 05 2017
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Filed
Jun 05 2017
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Issued
Aug 28 2018
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Expiry
Aug 28 2033
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Assg.orig
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Entity
unknown
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11
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5
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n/a
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The ornamental design for light bulb filament, as shown and described.
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FIG. 1 is a perspective front View of light bulb filament;
FIG. 2 is a front View thereof;
FIG. 3 is a left side View thereof;
FIG. 4 is a rear 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 |
D907279, |
Jun 06 2018 |
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Maglev lamp |
D988546, |
Apr 11 2022 |
DONGGUAN HUIHUAN LIGHTING CO., LTD. |
Light bulb |
ER2707, |
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ER4207, |
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ER567, |
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ER6527, |
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ER8669, |
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ER8800, |
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ER9258, |
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ER956, |
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ER9913, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a