Trackball device for a video game

- H. Betti Industries Inc.
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Description

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.

Referenced Cited
U.S. Patent Documents
D272921 March 6, 1984 Kim
D281164 October 29, 1985 Kim
D338883 August 31, 1993 Melzer et al.
D343392 January 18, 1994 Harden et al.
D346373 April 26, 1994 Grant
D374867 October 22, 1996 Canavan
D382261 August 12, 1997 Kaneko et al.
5157381 October 20, 1992 Cheng
5268675 December 7, 1993 Garthwaite et al.
Other references
  • Hong Kong Enterprise, p. 310, Oct. 1992.
Patent History
Patent number: D397374
Type: Grant
Filed: Oct 16, 1997
Date of Patent: Aug 25, 1998
Assignee: H. Betti Industries Inc. (Carlstadt, NJ)
Inventor: Edward F. Brooks (Skokie, IL)
Primary Examiner: Prabhakar G. Deshmukh
Law Firm: Brinks Hofer Gilson & Lione
Application Number: 0/78,053
Classifications
Current U.S. Class: D21/48; D14/114
International Classification: 2101;