Computer lower expansion unit

- IBM
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Description

FIG. 1 is a front elevational view of a computer lower expansion unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front, right side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D249346 September 12, 1978 Chou et al.
D270055 August 9, 1983 Irwin et al.
D287726 January 13, 1987 Itoh et al.
D300323 March 21, 1989 Noda et al.
4134143 January 9, 1979 Ragle et al.
4205355 May 27, 1980 Hamanaka et al.
Patent History
Patent number: D322965
Type: Grant
Filed: Oct 11, 1989
Date of Patent: Jan 7, 1992
Assignee: IBM Corporation (Armonk, NY)
Inventors: Steven A. Silverstein (Lexington, KY), James P. Wang (Lexington, KY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Attorney: Mark P. Kahler
Application Number: 7/419,853
Classifications
Current U.S. Class: D14/109