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Patent
D597687
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Priority
Jun 29 2007
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Filed
Sep 17 2008
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Issued
Aug 04 2009
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Expiry
Aug 04 2023
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Assg.orig
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Entity
unknown
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0
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24
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n/a
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We claim the ornamental design for a lamp filament, as shown and described.
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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 |
Patent |
Priority |
Assignee |
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4297611, |
Oct 02 1979 |
COOPER INDUSTRIES, INC , 1001 FANNIN, HOUSTON, TEXAS 77002, A CORP OF |
Control of tungsten filament erosion in a halogen lamp |
4568854, |
Oct 27 1983 |
GTE Products Corporation |
Tungsten halogen lamp with heat-dissipating base |
5252888, |
Dec 30 1991 |
GTE PRODUCTS CORPORATION A CORPORATION OF DELAWARE |
Lamp capsule support base |
15685, |
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15839, |
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32396, |
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D392057, |
May 30 1997 |
Westinghouse Lighting Corporation |
Halogen lamp |
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Jul 15 1997 |
Mariyama Sangyo Kabushiki Kaisha |
Lamp |
D395716, |
Jul 15 1997 |
Moriyama Sangyo Kabushiki Kaisha |
Lamp |
D410554, |
Oct 01 1998 |
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Incandescent lamp |
D450860, |
Apr 30 2001 |
Moriyama Sangyo Kabushiki Kaisha |
Lamp device |
D502558, |
Nov 07 2003 |
Panasonic Corporation |
Fluorescent lamp |
D512788, |
Jun 07 2004 |
Toshiba Lighting & Technology Corporation; Osram-Melco Toshiba Lighting Ltd. |
Halogen bulb |
D520150, |
Jun 07 2004 |
Toshiba Lighting & Technology Corporation; Osram-Melco Toshiba Lighting Ltd. |
Halogen bulb |
D537547, |
Jul 25 2005 |
Panasonic Corporation |
Fluorescent lamp |
JP1067839, |
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JP1119354, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a