Control unit of programmable controller

- Sharp Corporation
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Description

FIG. 1 is a front elevational view of the control unit of programmable controller showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof from a front upper left position.

Referenced Cited
U.S. Patent Documents
D272819 February 28, 1984 Bean et al.
D274615 July 10, 1984 Bean et al.
D278710 May 7, 1985 Shimizu et al.
D281493 November 26, 1985 Prager et al.
D292394 October 20, 1987 Boucher
D296432 June 28, 1988 Harris et al.
4672511 June 9, 1987 Meusel et al.
4716497 December 29, 1987 Craker
Patent History
Patent number: D307263
Type: Grant
Filed: Mar 10, 1988
Date of Patent: Apr 17, 1990
Assignee: Sharp Corporation (Osaka)
Inventor: Katsuhiro Ishida (Osaka)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Joel Sincavage
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 7/166,166
Classifications
Current U.S. Class: Control Panel, Console Or Module (D13/162)