Patent
   D597687
Priority
Jun 29 2007
Filed
Sep 17 2008
Issued
Aug 04 2009
Expiry
Aug 04 2023
Assg.orig
Entity
unknown
0
24
n/a
We claim the ornamental design for a lamp filament, as shown and described.

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.

Hashimoto, Naotaka, Kawagoe, Shinya, Kojima, Toshiyasu, Ikeda, Taku

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 17 2008Panasonic Corporation(assignment on the face of the patent)
Oct 01 2008MATSUSHITA ELECTRIC INDUSTRIAL CO , LTD Panasonic CorporationCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0217740425 pdf
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