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The ornamental design for a lamp bulb, as shown and described.
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FIG. 1 is a front elevational view of a lamp bulb showing our new design, the rear elevational view being a mirror image of the front view shown;
FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image of the side view shown;
FIG. 3 is an enlarged sectional view taken along line A--A in FIG. 1; and,
FIG. 4 is front elevational view thereof shown when in use with an outer bulb.
The outer bulb and electrical connectors shown in FIG. 4 are shown for illustrative purposes and form no part of the claimed design.
Honda, Hisashi, Ishida, Masazumi, Sakaguchi, Sadao
| Patent | Priority | Assignee | Title |
| D392057, | May 30 1997 | Westinghouse Lighting Corporation | Halogen lamp |
| D395716, | Jul 15 1997 | Moriyama Sangyo Kabushiki Kaisha | Lamp |
| D426899, | Nov 16 1999 | Philips Hong Kong Limited | Light bulb |
| JP10334852, | |||
| JP749276, | |||
| JP999680, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 11 2001 | Toshiba Lighting & Technology Corporation | (assignment on the face of the patent) | / | |||
| Oct 22 2001 | HONDA, HISASHI | Toshiba Lighting and Technology Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012301 | /0772 | |
| Oct 22 2001 | ISHIDA, MASAZUMI | Toshiba Lighting and Technology Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012301 | /0772 | |
| Oct 22 2001 | SAKAGUCHI, SADAO | Toshiba Lighting and Technology Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012301 | /0772 |
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