Pressure switch

- SMC Corporation
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 shows a back view thereof;

FIG. 3 shows a top view thereof;

FIG. 4 shows a bottom view thereof;

FIG. 5 shows a left side view thereof; and,

FIG. 6 shows a right side view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
3916130 October 1975 Cade
4081621 March 28, 1978 Hartley
4652841 March 24, 1987 Hudspeth et al.
D308193 May 29, 1990 Gaalswyk
D430268 August 29, 2000 Hiramatsu et al.
D437295 February 6, 2001 Gunji et al.
D444722 July 10, 2001 Honma
D456290 April 30, 2002 Gunji et al.
D477287 July 15, 2003 Roman
D497145 October 12, 2004 Seo
D522090 May 30, 2006 Matsumoto et al.
7071832 July 4, 2006 Miyamoto et al.
7186934 March 6, 2007 Nakajima
Patent History
Patent number: D559790
Type: Grant
Filed: Sep 15, 2005
Date of Patent: Jan 15, 2008
Assignee: SMC Corporation (Chiyoda-ku, Tokyo)
Inventor: Haruhiko Okuno (Ibaraki)
Primary Examiner: Selina Sikder
Assistant Examiner: Thomas J Johannes
Attorney: Peter Ganjian
Application Number: 29/238,555