Trackball

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Description

FIG. 1 is a front perspective view of the trackball showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

The ornamental design for a trackball, as shown and described.

Referenced Cited
U.S. Patent Documents
D289306 April 14, 1987 Burnstein
D291318 August 11, 1987 Kim
D301256 May 23, 1989 Iwata
D303662 September 26, 1989 Hsiao
D315552 March 19, 1991 Sacherman
D320199 September 24, 1991 Koh
D322605 December 24, 1991 Hayes
D326261 May 19, 1992 Ashmun
D332093 December 29, 1992 Yang
D333818 March 9, 1993 Yang
D335658 May 18, 1993 Barry
D352039 November 1, 1994 Yurkonis
D387043 December 2, 1997 Cheng
D432131 October 17, 2000 Jones
D829801 October 2, 2018 Park
Patent History
Patent number: D885388
Type: Grant
Filed: Jan 21, 2019
Date of Patent: May 26, 2020
Assignee: Group Intellect Technology Limited (Kowloon)
Inventor: Chu Kwok Woo (Kowloon)
Primary Examiner: Austin Murphy
Application Number: 29/677,434
Classifications
Current U.S. Class: Trackball (D14/417)