Clamp for fastening a trackball to a computer keyboard

Description

FIG. 1 is a front, right, and top view of a clamp for fastening a trackball to a computer keyboard showing my new design;

FIG. 2 is front elevational view thereof, the rear view being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D310020 August 21, 1990 Fujioka
D337503 July 20, 1993 Sifers et al.
D340720 October 26, 1993 Yoder
D342005 December 7, 1993 Forsberg
D342241 December 14, 1993 Ashmun et al.
4760986 August 2, 1988 Harrison
4997154 March 5, 1991 Little
Patent History
Patent number: D349492
Type: Grant
Filed: Jun 4, 1992
Date of Patent: Aug 9, 1994
Inventor: Shih-Yang Tso (Taipei)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. T. Tung
Law Firm: Bacon & Thomas
Application Number: 7/892,020
Classifications
Current U.S. Class: D14/114