Arithmetic control unit for an electronic computer
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Description
FIG. 1 is a front elevational view of an arithmetic control unit for an electronic computer showing our new design;
FIG. 2 is a rear elevational view thereof;
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, the left side being a mirror image thereof; and
FIG. 6 is a front, top and right side perspective view thereof.
Referenced Cited
U.S. Patent Documents
D292515 | October 27, 1987 | Martin |
D293443 | December 29, 1987 | Davis et al. |
D301139 | May 16, 1989 | Sato et al. |
D303110 | August 29, 1989 | Ji |
D304931 | December 5, 1989 | Hara et al. |
D306014 | February 13, 1990 | Loose et al. |
D307135 | April 10, 1990 | Sato et al. |
D311173 | October 9, 1990 | Cheng et al. |
D311729 | October 30, 1990 | Uchihori |
Patent History
Patent number: D322428
Type: Grant
Filed: Dec 11, 1989
Date of Patent: Dec 17, 1991
Assignee: NEC Corporation (Tokyo)
Inventors: Yasuharu Sato (Tokyo), Kimio Nobeashi (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Sughrue, Mion, Zinn Macpeak & Seas
Application Number: 7/449,258
Type: Grant
Filed: Dec 11, 1989
Date of Patent: Dec 17, 1991
Assignee: NEC Corporation (Tokyo)
Inventors: Yasuharu Sato (Tokyo), Kimio Nobeashi (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Sughrue, Mion, Zinn Macpeak & Seas
Application Number: 7/449,258
Classifications
Current U.S. Class:
D14/100