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
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