Lamp filament

- Panasonic
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Description

FIG. 1 is a top, front, right side perspective view of a lamp filament showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The bottom portion of the lamp filament shown in broken lines illustrates a portion of the design that forms no part of the claim.

Claims

We claim the ornamental design for a lamp filament, as shown and described.

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Patent History
Patent number: D588288
Type: Grant
Filed: Sep 17, 2008
Date of Patent: Mar 10, 2009
Assignee: Panasonic Corporation (Osaka)
Inventors: Shinya Kawagoe (Kadoma), Naotaka Hashimoto (Kadoma), Toshiyasu Kojima (Kadoma), Taku Ikeda (Kadoma)
Primary Examiner: Ian Simmons
Assistant Examiner: Dana L Sipos
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/324,672
Classifications
Current U.S. Class: Electric Light Bulb (34) (D26/2)