Patent
   D477568
Priority
May 31 2002
Filed
May 31 2002
Issued
Jul 22 2003
Expiry
Jul 22 2017
Assg.orig
Entity
unknown
23
4
n/a
The ornamental design for a high intensity discharge lamp ballast, as shown and described.

FIG. 1 is a perspective view of a high intensity discharge lamp ballast, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Milby, Todd W.

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ER1210,
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Patent Priority Assignee Title
D339324, Apr 01 1991 OSRAM SYLVANIA Inc Gas discharge lamp ballast
D368466, Mar 31 1992 OSRAM SYLVANIA Inc Gas discharge lamp ballast
D380443, Sep 29 1995 OSRAM SYLVANIA Inc Fluorescent lamp ballast
D406101, Apr 17 1998 OSRAM SYLVANIA Inc Gas discharge lamp ballast
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 31 2002PowerSelect, Inc.(assignment on the face of the patent)
Aug 28 2002MILBY, TODD W POWERSELECT, INC , D B A RELIABLE BALLASTASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0132510113 pdf
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