Trackball

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Description

FIG. 1 is a perspective view of trackball showing my new design,

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for trackball, as shown and described.

Referenced Cited
U.S. Patent Documents
D410638 June 8, 1999 Sheehan et al.
D435848 January 2, 2001 Sheehan et al.
D439253 March 20, 2001 Sheehan et al.
D441754 May 8, 2001 Loughnane et al.
Patent History
Patent number: D452506
Type: Grant
Filed: Feb 20, 2001
Date of Patent: Dec 25, 2001
Inventor: Ken-Pei Hu (Sheng Kao Village, Shen Keng Shiang, Taipei Hsien)
Primary Examiner: Kay H. Chin
Attorney, Agent or Law Firm: Bacon & Thomas, PLLC
Application Number: 29/137,286
Classifications
Current U.S. Class: Trackball (D14/417); Substantially Circular Or Oval In Plan (D14/408)
International Classification: 1402;