Trackball
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Description
FIG. 1 is a perspective view of a trackball showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational 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
D402973 | December 22, 1998 | Edwards et al. |
D410638 | June 8, 1999 | Sheehan et al. |
D415746 | October 26, 1999 | Edwards et al. |
D424548 | May 9, 2000 | Edwards et al. |
D431037 | September 19, 2000 | Varga et al. |
D432128 | October 17, 2000 | Von Ilberg et al. |
D438211 | February 27, 2001 | Jones et al. |
D439453 | March 27, 2001 | Sheehan et al. |
Patent History
Patent number: D447748
Type: Grant
Filed: Apr 28, 2000
Date of Patent: Sep 11, 2001
Assignee: Logitech Europe S.A. (Ramanel-sur Morges)
Inventors: Cathal Loughnane (County Tipperary), Brian Stephens (County Dublin)
Primary Examiner: M. H. Tung
Attorney, Agent or Law Firm: Townsend and Townsend and Crew LLP
Application Number: 29/122,514
Type: Grant
Filed: Apr 28, 2000
Date of Patent: Sep 11, 2001
Assignee: Logitech Europe S.A. (Ramanel-sur Morges)
Inventors: Cathal Loughnane (County Tipperary), Brian Stephens (County Dublin)
Primary Examiner: M. H. Tung
Attorney, Agent or Law Firm: Townsend and Townsend and Crew LLP
Application Number: 29/122,514
Classifications