Patent
   D471182
Priority
Feb 28 2002
Filed
Feb 28 2002
Issued
Mar 04 2003
Expiry
Mar 04 2017
Assg.orig
Entity
unknown
9
22
n/a
The ornamental design for a telephone amplifier switch box, as shown and described.

FIG. 1 is a front perspective view of the telephone amplifier switch box showing my new design;

FIG. 2 is a front view of the telephone amplifier switch box of FIG. 1;

FIG. 3 is a top plan view of the telephone amplifier switch box of FIG. 1;

FIG. 4 is a left side view of the telephone amplifier switch box of FIG. 1;

FIG. 5 is a right side view of the telephone amplifier switch box of FIG. 1;

FIG. 6 is a rear view of the telephone amplifier switch box of FIG. 1; and,

FIG. 7 is a bottom plan view of the telephone amplifier switch box of FIG. 1.

Cheung, Max Fuk-fan

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 08 2002CHEUNG, MAX FUK-FANWing Cheong Electrical CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0126500047 pdf
Feb 28 2002Wing Cheong Electrical Company(assignment on the face of the patent)
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