Track ball remote control unit

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Description

FIG. 1 is a top, front and left side perspective view of a track ball remote control unit showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged right side elevational view thereof;

FIG. 4 is an enlarged front elevational view thereof;

FIG. 5 is an enlarged bottom plan view thereof;

FIG. 6 is an enlarged left side elevation view thereof; and,

FIG. 7 is a slightly enlarged bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
D281776 December 17, 1985 Griffin
D292600 November 3, 1987 Wagner
D342258 December 14, 1993 Saito et al.
D357018 April 4, 1995 Takami
D363287 October 17, 1995 Laituri
D363486 October 24, 1995 Shinohara et al.
D363720 October 31, 1995 Lagohm
Patent History
Patent number: D381661
Type: Grant
Filed: Apr 25, 1995
Date of Patent: Jul 29, 1997
Assignee: Zenith Electronics Corporation (Glenview, IL)
Inventor: Richard K. Althans (Long Grove, IL)
Primary Examiner: Sandra L. Morris
Attorney: Roland W. Norris
Application Number: 0/37,949
Classifications
Current U.S. Class: Remote Control (D14/218); D14/124
International Classification: 1403;