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Publication numberUSD333818 S
Publication typeGrant
Application numberUS 07/740,015
Publication dateMar 9, 1993
Filing dateAug 2, 1991
Publication number07740015, 740015, US D333818 S, US D333818S, US-S-D333818, USD333818 S, USD333818S
InventorsTso S. Yang
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Track ball
US D333818 S
Abstract  available in
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  1. The ornamental design for a track ball, as shown and described.

FIG. 1 is a front, top, right side perspective view of a track ball showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an inverted 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.

Non-Patent Citations
1Businessland Catalog item Kensington Turbo Mouse, p. 22, 1988.
U.S. ClassificationD14/417