Programming device for sequence controller

- Sharp Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of the programming device for sequence controller showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D254613 April 1, 1980 Ault
D262140 December 1, 1981 Yamagami et al.
D273593 April 24, 1984 Sakamoto
D280406 September 3, 1985 Walker
D289049 March 31, 1987 Marchese
D292404 October 20, 1987 Wilson et al.
D298622 November 22, 1988 Yubisui et al.
4571702 February 18, 1986 De Arras
Patent History
Patent number: D307888
Type: Grant
Filed: Apr 12, 1988
Date of Patent: May 15, 1990
Assignee: Sharp Corporation (Osaka)
Inventor: Katsuhiro Ishida (Osaka)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 7/180,809
Classifications
Current U.S. Class: D14/100; With Keyboard (D18/7)