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Publication numberUSD338883 S
Publication typeGrant
Application numberUS 07/770,284
Publication dateAug 31, 1993
Filing dateOct 1, 1991
Publication number07770284, 770284, US D338883 S, US D338883S, US-S-D338883, USD338883 S, USD338883S
InventorsTino Melzer, Daniel Harden
Original AssigneeLogitech, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Track ball
US D338883 S
Abstract  available in
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  1. The ornamental design for a track ball, as shown and described.

FIG. 1 is a bottom perspective view of a track ball showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Non-Patent Citations
1Softwarehouse Catalog item Mouse SystemsŪ Trackball, p. 29, Winter '89-'90.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD487462May 4, 2001Mar 9, 2004Sony CorporationDial portion of a computer
USD621836May 6, 2006Aug 17, 2010Sony Computer Entertainment America LlcController face with tracking sensors
USD629000 *May 8, 2006Dec 14, 2010Sony Computer Entertainment America LlcGame interface device with optical port
USD630211May 8, 2006Jan 4, 2011Sony Computer Entertainment Inc.Video game controller front face
USD630212Nov 11, 2009Jan 4, 2011Sony Computer Entertainment Inc.Video game controller front face
USD631049Nov 11, 2009Jan 18, 2011Sony Computer Entertainment Inc.Video game controller front face
U.S. ClassificationD14/402