Track ball for computer system cursor control
Barry May 18, 1
U.S. patent number D335,658 [Application Number 07/770,282] was granted by the patent office on 1993-05-18 for track ball for computer system cursor control. This patent grant is currently assigned to Microspeed Incorporated. Invention is credited to Timothy C. Barry.
| United States Patent | D335,658 |
| Barry | May 18, 1993 |
Track ball for computer system cursor control
Claims
The ornamental design for a track ball for computer system cursor control, as shown and described.
| Inventors: | Barry; Timothy C. (Fremont, CA) |
|---|---|
| Assignee: | Microspeed Incorporated
(Fremont, CA) |
| Appl. No.: | 07/770,282 |
| Filed: | October 1, 1991 |
| Current U.S. Class: | D14/417 |
| Field of Search: | ;D14/114,116 ;D13/158 ;D21/48 ;200/5R,5A,6R,6A ;273/148B ;340/707,709-710 ;74/471Y |
References Cited [Referenced By]
U.S. Patent Documents
| D272921 | March 1984 | Kim |
| D291318 | August 1987 | Kim |
| D302426 | July 1989 | Bradley et al. |
| D315552 | March 1991 | Sacherman |
| D326261 | May 1992 | Ashmun et al. |
| 4952919 | August 1990 | Nippoldt |
Other References
|
Softwarehouse catalog item Mouse Systems.RTM. trackball, p. 29, winter '89-'90.. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Tung; M. H.
Attorney, Agent or Firm: Skjerven, Morrill, MacPherson, Franklin & Friel
Description
FIG. 1 is a top plan view of a track ball showing my new design;
FIG. 2 is a side elevational view thereof the opposite side being a mirror image thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevatioanl view thereof; and,
FIG. 5 is a bottom plan view thereof.
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