Auxiliary power unit for use with computer systems

- IBM
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Description

FIG. 1 is a top front and right side perspective view of an auxiliary power unit for use with computer systems showing our new design;

FIG. 2 is an elevational view thereof;

FIG. 3 is a top rear and left side perspective view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a left side elevational view thereof.

FIGS. 2, 4 and 5 are drawn on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D286049 October 7, 1986 Nishida
D290844 July 14, 1987 Shibuya et al.
D304933 December 5, 1989 Sutoh
D308047 May 22, 1990 Aderman et al.
D313011 December 18, 1990 Searle et al.
D314183 January 29, 1991 Wong
4985806 January 15, 1991 Mazzullo et al.
Other references
  • Advanced Digital Information Corp. .COPYRGT.1987 Data Library (ADIC). NEC Corp. May 20, 1987 CD Rom Unit PC-CD101.
Patent History
Patent number: D335651
Type: Grant
Filed: Sep 4, 1990
Date of Patent: May 18, 1993
Assignee: International Business Machines Corporation (Armonk, NY)
Inventors: Bruce A. Jones (Ulster Park, NY), John J. Natoli (Woodstock, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: F. Nunn
Attorneys: Mark S. Walker, William A. Kinnaman, Jr.
Application Number: 7/577,429
Classifications
Current U.S. Class: D14/100; D14/109