Track ball

• US D350,736 S
• Filed: 01/22/1993
• Issued: 09/20/1994
• Est. Priority Date: 07/28/1992
• Status: Expired due to Term

• Current Assignee: Canon Ayutthaya Limited (Canon Inc.)
• Original Assignee: Canon Ayutthaya Limited (Canon Inc.)
• Inventors: Takahashi, Masaki, Inukai, Yoshinori
• Primary Examiner(s): GEHMAN, BRYON P
• Assistant Examiner(s): Tung, M. H.
• Application Number:
  US08/003,952
• Time in Patent Office: 606 Days
• Field of Search: 178/18-19, 200/5 R, 200/5 A, 200/6 R, 200/6 A, 273/148 B, 74/471 XY, 345/156-167, D14/100, D14/114, D13/158, D21/48, D19/41-51
• US Class Current: D14/417
• CPC Class Codes: N/A

Claims

1. The ornamental design for a track ball, as shown and described.