Pressure switch

- SMC Corporation
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Description

FIG. 1 shows a front view of a pressure switch showing my new design;

FIG. 2 shows a rear view thereof;

FIG. 3 shows a top view thereof;

FIG. 4 shows a bottom view thereof;

FIG. 5 shows a left side view thereof;

FIG. 6 shows a right side view thereof; and,

FIG. 7 shows a perspective view thereof.

Claims

The ornamental design for a pressure switch, as shown and described.

Referenced Cited
U.S. Patent Documents
3786210 January 1974 Byam
3916130 October 1975 Cade
4081621 March 28, 1978 Hartley
D280501 September 10, 1985 Walters
4626636 December 2, 1986 Hickman et al.
D308193 May 29, 1990 Gaalswyk
D430268 August 29, 2000 Hiramatsu et al.
D437295 February 6, 2001 Gunji et al.
D456290 April 30, 2002 Gunji et al.
D497145 October 12, 2004 Seo
7071832 July 4, 2006 Miyamoto et al.
7186934 March 6, 2007 Nakajima
20040187585 September 30, 2004 Miyamoto et al.
Patent History
Patent number: D557215
Type: Grant
Filed: Jan 3, 2007
Date of Patent: Dec 11, 2007
Assignee: SMC Corporation (Chiyoda-ku, Tokyo)
Inventors: Syogo Kurisaki (Tsukubamirai), Ryosuke Takeuchi (Tsukubamirai)
Primary Examiner: Selina Sikder
Assistant Examiner: Thomas J Johannes
Attorney: Peter Ganjian
Application Number: 29/270,734
Classifications