Signal input and output unit

- SMC Kabushiki Kaisha
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Description

FIG. 1 is a perspective view of a signal input and output unit showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side view thereof, the left side view being a mirror image of the right side view.

Claims

The ornamental design for a signal input and output unit, as shown and described.

Referenced Cited
U.S. Patent Documents
D418074 December 28, 1999 Hicks et al.
D424461 May 9, 2000 Jaylor
D431485 October 3, 2000 Huang
D433643 November 14, 2000 Quick
Patent History
Patent number: D449789
Type: Grant
Filed: Aug 9, 2000
Date of Patent: Oct 30, 2001
Assignee: SMC Kabushiki Kaisha (Toyko)
Inventors: Ken Gunji (Ibaraki-ken), Kenji Irokawa (Ibaraki-ken), Koichi Katsumata (Mitsukaido), Emi Motegi (Soka)
Primary Examiner: Marcus A. Jackson
Attorney, Agent or Law Firm: Frishauf, Holtz, Goodman, Langer & Chick, P.C.
Application Number: 29/127,584
Classifications
Current U.S. Class: D10/104
International Classification: 1005;