Multiple control element unit for data processing apparatus

- IBM
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Description

FIG. 1 is a top, front and right side perspective view of multiple control element unit for data processing apparatus showing our new design;

FIG. 2 is a top, front and left side perspective view thereof;

FIG. 3 is a bottom, front perspective view thereof on an enlarged scale;

FIG. 4 is a bottom, rear perspective view thereof with the supporting leg detached from the control unit for purposes of disclosure;

FIG. 5 is a top, left side and rear perspective view thereof.

Referenced Cited
Other references
  • Computer Design, 10-1979, Adage Control Unit (bottom left).
Patent History
Patent number: D291806
Type: Grant
Filed: Oct 24, 1984
Date of Patent: Sep 8, 1987
Assignee: International Business Machines Corporation (Armonk, NY)
Inventors: Ronald I. Conway (Port Ewen, NY), Samuel A. Lucente (Glenford, NY), David L. Schaum (Woodstock, NY)
Primary Examiner: Susan J. Lucas
Attorney: George E. Clark
Application Number: 6/664,125
Classifications
Current U.S. Class: D14/114; D13/32