Patent
   D581064
Priority
Mar 02 2007
Filed
Jun 29 2007
Issued
Nov 18 2008
Expiry
Nov 18 2022
Assg.orig
Entity
unknown
5
22
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

Patent Priority Assignee Title
D588288, Mar 02 2007 Panasonic Corporation Lamp filament
D595432, Mar 02 2007 Panasonic Corporation Filament for lamp
D595433, Mar 02 2007 Panasonic Corporation Filament for lamp
ER3443,
ER8045,
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 22 2007KAWAGOE, SHINYAMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195790611 pdf
Jun 22 2007HASHIMOTO, NAOTAKAMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195790611 pdf
Jun 22 2007KOJIMA, TOSHIYASUMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195790611 pdf
Jun 22 2007IKEDA, TAKUMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0195790611 pdf
Jun 29 2007Panasonic 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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