Central processing unit module for programmable logic controller

- LG Electronics
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Description

FIG. 1 is a perspective view of central processing unit module for programmable logic controller showing the new design:

FIG. 2 is a front view thereof;

FIG. 3 is a rear 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; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for central processing unit module for programmable logic controller, as shown and described.

Referenced Cited
U.S. Patent Documents
D371544 July 9, 1996 Vossoughi
D375944 November 26, 1996 Franz et al.
D436953 January 30, 2001 Matsuoka
D480723 October 14, 2003 Lee et al.
Patent History
Patent number: D520992
Type: Grant
Filed: Apr 28, 2004
Date of Patent: May 16, 2006
Assignee: LG Industrial Systems Co., Ltd. (Seoul)
Inventor: Young Gi Lee (Chungcheongbuk-do)
Primary Examiner: Freda S. Nunn
Attorney: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/204,277