Track ball
Takahashi , et al. September 20, 1
U.S. patent number D350,736 [Application Number 08/003,952] was granted by the patent office on 1994-09-20 for track ball. This patent grant is currently assigned to Canon Kabushiki Kaisha. Invention is credited to Yoshinori Inukai, Masaki Takahashi.
| United States Patent | D350,736 |
| Takahashi , et al. | September 20, 1994 |
Track ball
Claims
The ornamental design for a track ball, as shown and described.
| Inventors: | Takahashi; Masaki (Kawasaki, JP), Inukai; Yoshinori (Tokyo, JP) |
|---|---|
| Assignee: | Canon Kabushiki Kaisha (Tokyo,
JP) |
| Appl. No.: | 08/003,952 |
| Filed: | January 22, 1993 |
Foreign Application Priority Data
| Jul 28, 1992 [JP] | 4-22541 | |||
| Current U.S. Class: | D14/417 |
| Field of Search: | ;178/18-19 ;200/5R,5A,6R,6A ;273/148B ;74/471XY ;345/156-167 ;D14/100,114 ;D13/158 ;D21/48 ;D19/41-51 |
References Cited [Referenced By]
U.S. Patent Documents
| D316253 | April 1991 | Riddiford et al. |
| D332446 | January 1993 | Lin |
| D336747 | June 1993 | Chao |
| D340042 | October 1993 | Copper et al. |
| D340706 | October 1993 | Hu |
Assistant Examiner: Tung; M. H.
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto
Description
FIG. 1 is a front elevational view of a track ball showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof, the right side is a mirror image; and,
FIG. 6 is a perspective view thereof.
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