Trackball device for a video game
United States Patent D397374

Brooks, Edward F. (Skokie, IL)
Application Number:
Publication Date:
Filing Date:
H. Betti Industries Inc. (Carlstadt, NJ)
Primary Class:
Field of Search:
D21/1, D21/13, D21/48, D14/114, 273/148B, 463/30-36, 463/37, 463/38, 463/46, 345/156, 345/158, 345/161-167
View Patent Images:
US Patent References:
D382261Pointing deviceAugust, 1997Kaneko et al.D14/114
D374867Ergonomic trackballOctober, 1996CanavanD14/114
D346373Combined trackball and mouseApril, 1994GrantD14/114
D343392Computer mouseJanuary, 1994Harden et al.D14/114
5268675Computer command and pointing device with multi-axis engagement assemblyDecember, 1993Garthwaite et al.345/163
D338883Track ballAugust, 1993Melzer et al.D14/114
5157381Computer mouseOctober, 1992ChengD14/114
D281164MouseOctober, 1985KimD21/48
D272921Control for a video game or the likeMarch, 1984Kim

Other References:
Hong Kong Enterprise, p. 310, Oct. 1992.
Primary Examiner:
Attorney, Agent or Firm:
BGL (P.O. BOX 10395, CHICAGO, IL, 60610, US)
1. The ornamental design for a trackball device for a video game, as shown anddescribed.


FIG. 1 is a front elevational view of a trackball device for a video game;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a top side perspective view.

The broken line showing an electrical cord is for illustrative purposes only and forms no part of the claimed design.