Trackball
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
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
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;
International Classification: 1402;