Pressure switch
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Description
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
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
Classifications