Programmable electronic cam-operated switch

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Description

FIG. 1 is a front, top and right side perspective view of a programmable electronic cam-operated switch showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof with the broken line showing included for the purpose of illustrating environmental structure which forms no part of the claimed design; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D287117 December 9, 1986 Saiki et al.
D290694 July 7, 1987 Shimizu et al.
D311901 November 6, 1990 Ohsawa et al.
D316247 April 16, 1991 Llabres et al.
Foreign Patent Documents
2543781 October 1984 FRX
Other references
  • Programmable controllers on cover of Sep. 1986 Mitsubishi publication MELSEC F1. Programmable controllers on cover of Koyo publication. Located in examiner's office. Idec programmable controller on p. 125 of Control Engineering. Locaed in PTO Scientific Library.
Patent History
Patent number: D351374
Type: Grant
Filed: May 25, 1993
Date of Patent: Oct 11, 1994
Assignee: Koyo Electronics Industries Co., Ltd. (Tokyo)
Inventors: Norio Shimizu (Tokyo), Teruo Matsuno (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 0/8,697
Classifications
Current U.S. Class: Control Panel, Console Or Module (D13/162)