Vacuum switch

- SMC Kabushiki Kaisha
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Description

FIG. 1 is a top, front and left-side perspective view of a vacuum switch 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;

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

FIG. 7 is a left side view thereof.

Claims

The ornamental design for a vacuum switch, as shown.

Referenced Cited
U.S. Patent Documents
D206122 November 1966 Bradbury
4339638 July 13, 1982 Lascelles et al.
4692575 September 8, 1987 Eberle
D294345 February 23, 1988 Troutman et al.
D399830 October 20, 1998 Nagai et al.
D497145 October 12, 2004 Seo
20050118032 June 2, 2005 Nagai et al.
Foreign Patent Documents
D 1099463 February 2001 JP
Other references
  • U.S. Appl. No. 29/206,740, filed: Jun. 1, 2004: Inventor: S. Nagai, et al; Title: Vacuum Equipment.
  • U.S. Appl. No. 29/206,741, filed: Jun. 1, 2004: Inventor: S. Nagai, et al; Title: Vacuum Generator.
Patent History
Patent number: D520959
Type: Grant
Filed: Jun 1, 2004
Date of Patent: May 16, 2006
Assignee: SMC Kabushiki Kaisha (Tokyo)
Inventors: Shigekazu Nagai (Tokyo-to), Yoshiharu Ito (Toride), Takashi Toyama (Moriya)
Primary Examiner: Stella Reid
Assistant Examiner: Selina Sikder
Attorney: Frishauf, Holtz, Goodman & Chick, P.C.
Application Number: 29/206,739
Classifications
Current U.S. Class: Switch Or Casing Therefor (18) (D13/158)