Patent
   D520959
Priority
Dec 01 2003
Filed
Jun 01 2004
Issued
May 16 2006
Expiry
May 16 2020
Assg.orig
Entity
unknown
10
8
n/a
The ornamental design for a vacuum switch, as shown.

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.

Toyama, Takashi, Nagai, Shigekazu, Ito, Yoshiharu

Patent Priority Assignee Title
D552561, Apr 14 2006 Mitsubishi Electric Corporation Gas insulated switchgear
D554592, Jan 24 2006 ABB Schweiz AG Embedded pole for a medium voltage switch
D556696, Nov 11 2004 ABB Schweiz AG Medium and high voltage switch
D558147, May 12 2005 ABB Schweiz AG Medium and high voltage switch
D558148, Jul 19 2005 ABB Schweiz AG Medium voltage switch with embedded pole
D558149, Oct 28 2005 ABB Schweiz AG Embedded pole with a vacuum circuit interrupter disposed inside
D773403, Jun 15 2015 ABB Schweiz AG Embedded pole for a medium voltage switch
D969755, Jun 25 2021 On-off controller
D981352, Jul 06 2022 Controller shell
D984396, Jul 08 2021 Changzhou Jutai Electronic Co., Ltd.; CHANGZHOU JUTAI ELECTRONIC CO , LTD LED controller
Patent Priority Assignee Title
4339638, Oct 15 1980 McDonnell Douglas Corporation Electrical switch
4692575, Feb 10 1986 Vacuum sensitive switch
20050118032,
206122,
D294345, Nov 29 1984 Xomox Corporation Switch housing
D399830, Dec 13 1996 SMC Kabushiki Kaisha Electric actuator
D497145, Jul 25 2003 SMC Kabushiki Kaisha Pressure switch
JP1099463,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 31 2004NAGAI, SHIGEKAZUSMC Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0148790908 pdf
May 31 2004ITO, YOSHIHARUSMC Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0148790908 pdf
May 31 2004TOYAMA, TAKASHISMC Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0148790908 pdf
Jun 01 2004SMC Kabushiki Kaisha(assignment on the face of the patent)
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