Track ball
Iwata May 23, 1
U.S. patent number D301,256 [Application Number 06/842,045] was granted by the patent office on 1989-05-23 for track ball. This patent grant is currently assigned to HAL Laboratory Inc.. Invention is credited to Satoru Iwata.
| United States Patent | D301,256 |
| Iwata | May 23, 1989 |
Track ball
Claims
The ornamental design for a track ball, as shown and described.
| Inventors: | Iwata; Satoru (Tokyo, JP) |
|---|---|
| Assignee: | HAL Laboratory Inc. (Tokyo,
JP) |
| Appl. No.: | 06/842,045 |
| Filed: | March 7, 1986 |
Foreign Application Priority Data
| Jan 24, 1986 [JP] | 61-001970 | |||
| Current U.S. Class: | D14/417 |
| Field of Search: | ;D21/48 ;D14/114 ;D13/32 ;273/148B,DIG.28 |
References Cited [Referenced By]
U.S. Patent Documents
| D272921 | March 1984 | Kim |
| D289306 | April 1987 | Burnstein et al. |
| D291318 | August 1987 | Kim |
Other References
|
Hong Kong Toys, 1982, p. 10, bottom left, TF-503, Electronic Decision Maker.. |
Primary Examiner: Feifer; Melvin B.
Attorney, Agent or Firm: Flynn, Thiel, Boutell & Tanis
Description
FIG. 1 is a perspective view of a track ball showing my new design.
FIG. 2 is a front elevational view of the track ball embodying the design.
FIG. 3 is a plan view of the track ball, as shown in FIG. 2.
FIG. 4 is a bottom view of the track ball, as shown in FIG. 2.
FIG. 5 is an end elevational view of the track ball as appearing from the rightward end in FIG. 2.
FIG. 6 is an end elevational view of the track ball as appearing from the leftward end in FIG. 2.
FIG. 7 is a rear elevational view of the track ball, as shown in FIG. 2.
FIG. 8 is a perspective view showing the track ball, a TV display unit and a processing unit being shown with associated connecting cables in broken lines for illustrative purposes only.
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