Programmable controller

- Hitachi, Ltd.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front, top and right side elevational perspective view of a programmable controller showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D278710 May 7, 1985 Shimizu et al.
D282253 January 21, 1986 Shimizu et al.
D282461 February 4, 1986 Shimizu et al.
D287117 December 9, 1986 Saiki et al.
D290694 July 7, 1987 Shimizu et al.
D292394 October 20, 1987 Boucher
Patent History
Patent number: D298747
Type: Grant
Filed: Nov 20, 1986
Date of Patent: Nov 29, 1988
Assignee: Hitachi, Ltd. (Tokyo)
Inventors: Masato Shibayama (Sayama), Takeshi Abe (Tokyo), Nobuyuki Kojima (Sibata), Ryouichi Abe (Sibata)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Ruth Takemoto
Law Firm: Antonelli, Terry & Wands
Application Number: 6/834,455
Classifications
Current U.S. Class: D13/12