Programmable controller

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Description

FIG. 1 is a top, front and left side perspective view of a programmable controller showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; and

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D258654 March 24, 1981 Levy
D269605 July 5, 1983 Provanzano et al.
D278710 May 7, 1985 Shimizu et al.
D281606 December 3, 1985 Nuttall et al.
D282253 January 21, 1986 Shimizu et al.
D285923 September 30, 1986 Takahashi et al.
4125782 November 14, 1978 Pollnow, Jr.
4152749 May 1, 1979 Knickerbocker
4195896 April 1, 1980 Wagner et al.
4203013 May 13, 1980 Serras-Paulet et al.
Patent History
Patent number: D302972
Type: Grant
Filed: Jan 28, 1987
Date of Patent: Aug 22, 1989
Assignee: La Telemecanique Electrique
Inventor: Guy Boucher (Paris)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Ruth Takemoto
Attorney: William A. Drucker
Application Number: 7/13,291
Classifications
Current U.S. Class: D13/12