Light bulb filament

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Description

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.

Claims

The ornamental design for a light bulb filament, as shown and described.

Referenced Cited
U.S. Patent Documents
D410554 June 1, 1999 Guyton
D422099 March 28, 2000 Kracke
D549360 August 21, 2007 An
D550864 September 11, 2007 Hernandez, Jr.
D689215 September 3, 2013 Xue
Patent History
Patent number: D819841
Type: Grant
Filed: May 29, 2017
Date of Patent: Jun 5, 2018
Assignee: XIAMEN ECO LIGHTING CO., LTD.
Inventors: Hongkui Jiang (Xiamen), Yanzeng Gao (Xiamen), Feng Wu (Xiamen), Hongbin Lin (Xiamen)
Primary Examiner: Marcus Jackson
Application Number: 29/605,662
Classifications
Current U.S. Class: Electric Light Bulb (34) (D26/2)