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Patent
D822230
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Priority
Feb 17 2017
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Filed
May 29 2017
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Issued
Jul 03 2018
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Expiry
Jul 03 2033
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Assg.orig
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Entity
unknown
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0
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5
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n/a
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“The ornamental design for a light bulb filament, as shown and described”.
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FIG. 1 is a perspective front View of a light bulb filament;
FIG. 2 is a left side View thereof;
FIG. 3 is a front View thereof;
FIG. 4 is a right side View thereof;
FIG. 5 is a rear View thereof;
FIG. 6 is a top plan View thereof;
FIG. 7 is a bottom plan View thereof; and,
FIG. 8 is a perspective rear View thereof.
The broken line showing of the other portions of the bulb is included for the purpose of illustrating only and forms no part of the claimed design.
Jiang, Hongkui, Gao, Yanzeng, Wu, Feng, Lin, Hongbin
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