Lamp filament
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Description
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.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D581062
Type: Grant
Filed: Jun 29, 2007
Date of Patent: Nov 18, 2008
Assignee: Panasonic Corporation (Osaka)
Inventors: Shinya Kawagoe (Kadoma), Naotaka Hashimoto (Kadoma), Toshiyasu Kojima (Kadoma), Taku Ikeda (Kadoma)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Dana L Sipos
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/288,999
Type: Grant
Filed: Jun 29, 2007
Date of Patent: Nov 18, 2008
Assignee: Panasonic Corporation (Osaka)
Inventors: Shinya Kawagoe (Kadoma), Naotaka Hashimoto (Kadoma), Toshiyasu Kojima (Kadoma), Taku Ikeda (Kadoma)
Primary Examiner: Charles A. Rademaker
Assistant Examiner: Dana L Sipos
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/288,999
Classifications
Current U.S. Class:
Electric Light Bulb (34) (D26/2)