Four-button trackball

- Logitech Europe S.A.
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Description

FIG. 1 is a left side plan view of a four button trackball showing the new design.

FIG. 2 is a right side plan view thereof.

FIG. 3 is a front side plan view thereof.

FIG. 4 is a back side plan view thereof; and,

FIG. 5 is a top plan view thereof.

The broken line drawing of a portion of a cord in FIGS. 1, 2, 3 and 5 is for illustrative purposes only and forms no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D392959 March 31, 1998 Edwards
D402281 December 8, 1998 Ledbetter et al.
D402973 December 22, 1998 Edwards et al.
D409181 May 4, 1999 Edwards et al.
D409991 May 18, 1999 Edwards et al.
D410638 June 8, 1999 Sheehan et al.
D415746 October 26, 1999 Edwards et al.
Patent History
Patent number: D466121
Type: Grant
Filed: Jul 20, 1999
Date of Patent: Nov 26, 2002
Assignee: Logitech Europe S.A. (Romanel-sur-Morges)
Inventors: Stephan A. von Ilberg (San Carlos, CA), Peter Shehan (Bray)
Primary Examiner: M. H. Tung
Attorney, Agent or Law Firm: Fenwick & West LLP
Application Number: 29/108,104
Classifications
Current U.S. Class: Trackball (D14/417)
International Classification: 1402;