Trackball
Loughnane , et al. May 8, 2
U.S. patent number D441,754 [Application Number D/122,593] was granted by the patent office on 2001-05-08 for trackball. This patent grant is currently assigned to Logitech Europe S.A.. Invention is credited to Cathal Loughnane, Brian Stephens.
| United States Patent | D441,754 |
| Loughnane , et al. | May 8, 2001 |
Trackball
Claims
The ornamental design for a trackball, as shown and described.
| Inventors: | Loughnane; Cathal (County Tipperary, IE), Stephens; Brian (County Dublin, IE) |
|---|---|
| Assignee: | Logitech Europe S.A.
(Romanel-sur-Morges, CH) |
| Appl. No.: | D/122,593 |
| Filed: | April 28, 2000 |
| Current U.S. Class: | D14/417; D14/410 |
| Current International Class: | 1402 |
| Field of Search: | ;D14/402-410,417,432 ;200/5R,5A,6R,6A ;273/148B ;345/156-167 ;74/471XY ;463/36,37,38 |
References Cited [Referenced By]
U.S. Patent Documents
| D402281 | December 1998 | Ledbetter et al. |
| D409595 | May 1999 | Yang |
| D410638 | June 1999 | Sheehan et al. |
| D431037 | September 2000 | Varga et al. |
Attorney, Agent or Firm: Townsend and Townsend and Crew LLP
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.
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