Pressure switch

- SMC Kabushiki Kaisha
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Description

FIG. 1 is a top, front and right side perspective view of a pressure switch showing my 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 pressure switch, as shown and described.

Referenced Cited
U.S. Patent Documents
3742166 June 1973 Schaefer
4172412 October 30, 1979 Sepso
4243858 January 6, 1981 Place
4339638 July 13, 1982 Lascelles et al.
4540860 September 10, 1985 Odashima et al.
4626636 December 2, 1986 Hickman et al.
D308193 May 29, 1990 Gaalswyk
D437295 February 6, 2001 Gunji et al.
Patent History
Patent number: D497145
Type: Grant
Filed: Jan 20, 2004
Date of Patent: Oct 12, 2004
Assignee: SMC Kabushiki Kaisha (Tokyo)
Inventor: Hideo Seo (Tsukuba)
Primary Examiner: Stella Reid
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firm: Frishauf, Holtz, Goodman & Chick, P.C.
Application Number: 29/197,823
Classifications
Current U.S. Class: Switch Or Casing Therefor (18) (D13/158)
International Classification: 1303;