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Patent
D588288
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Priority
Mar 02 2007
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Filed
Sep 17 2008
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Issued
Mar 10 2009
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Expiry
Mar 10 2023
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Assg.orig
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Entity
unknown
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4
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31
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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 |
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| 3875443, |
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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 |
| 4739219, |
Nov 24 1984 |
Thorn EMI plc |
Electric lamp with pinch sealed outer conductor of non-highly refractory material |
| 5252888, |
Dec 30 1991 |
GTE PRODUCTS CORPORATION A CORPORATION OF DELAWARE |
Lamp capsule support base |
| 5451829, |
Dec 04 1989 |
North American Philips Corporation |
Reflector mount for an incandescent lamp having a planar filament array |
| 15685, |
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| 15839, |
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| 32396, |
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| D392057, |
May 30 1997 |
Westinghouse Lighting Corporation |
Halogen lamp |
| D395714, |
Jul 15 1997 |
Mariyama Sangyo Kabushiki Kaisha |
Lamp |
| D395716, |
Jul 15 1997 |
Moriyama Sangyo Kabushiki Kaisha |
Lamp |
| D410554, |
Oct 01 1998 |
|
Incandescent lamp |
| D450860, |
Apr 30 2001 |
Moriyama Sangyo Kabushiki Kaisha |
Lamp device |
| 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 |
| D578674, |
Mar 02 2007 |
Matsushita Electric Industrial Co., Ltd. |
Filament for lamp |
| D579129, |
Mar 02 2007 |
Matsushita Electric Industrial Co., Ltd. |
Filament for lamp |
| D581062, |
Mar 02 2007 |
Panasonic Corporation |
Lamp filament |
| D581063, |
Mar 02 2007 |
Panasonic Corporation |
Filament for lamp |
| D581064, |
Mar 02 2007 |
Panasonic Corporation |
Lamp filament |
| JP1067839, |
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| JP1119354, |
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| JP1129862, |
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| JP1225823, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a