|
The ornamental design for a programmable logic controller, as shown and described. |
FIG. 1 is a top, front and left side perspective view of programmable logic controller showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a bottom, rear and right side perspective view thereof.
Patent | Priority | Assignee | Title |
5216579, | Jan 29 1992 | INTERNATIONAL BUSINESS MACHINES CORPORATION A CORP OF NEW YORK | Rack based packaging system for computers with cable, cooling and power management module |
5493194, | Feb 14 1995 | Allen-Bradley Company, Inc.; ALLEN-BRADLEY COMPANY, INC | Control signal and power bus connector arrangement for a multi-axis motor control |
D309446, | Apr 08 1988 | SCHNEIDER AUTOMATION INC | Mini programmable logic controller |
D345137, | Jan 11 1991 | GE Fanuc Automation North America, Inc. | Power supply for a programmable controller |
D368252, | Oct 04 1993 | Idec Izumi Corporation | Programmable logic controller |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 23 1996 | AEG Schneider Automation | (assignment on the face of the patent) | / | |||
Jul 04 1996 | BRUNELLE, HERVE | AEG Schneider Automation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008108 | /0263 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |