Patent
   D562254
Priority
Apr 14 2006
Filed
Oct 16 2006
Issued
Feb 19 2008
Expiry
Feb 19 2022
Assg.orig
Entity
unknown
4
12
n/a
The ornamental design for a gas insulated switchgear, as shown and described.

FIG. 1 is a front, top and right side perspective view of a gas insulated switchgear, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Sadakuni, Hitoshi, Fujita, Daisuke, Otsuka, Takuya

Patent Priority Assignee Title
D670657, Jul 12 2010 ABB Technology AG Switch gear housing
D688633, May 13 2011 ABB Technology AG Gas insulator switchgear
D703152, May 13 2011 ABB Technology AG Gas insulator switchgear
D871354, Aug 17 2017 TOGAMI ELECTRIC MFG CO , LTD Switchgear
Patent Priority Assignee Title
4379957, Jan 14 1981 ABB POWER T&D COMPANY, INC , A DE CORP Modular "Y"-type enclosure elements for gas insulated substations
4862319, Oct 07 1986 Hitachi, Ltd. Gas-insulated switchgear
5350892, Nov 20 1991 GEC Alsthom SA Medium tension circuit-breaker for indoor or outdoor use
6573469, Oct 20 1998 ABB Schweiz AG Gas-insulated switchgear device
6624372, Oct 13 1998 Hitachi, Ltd. Gas insulated switchgear
6683267, Oct 01 1999 ABB Schweiz AG Gas-insulated switchgear device
6784392, Sep 15 1999 ABB Schweiz AG Gas-insulated switchgear device
20040037025,
20060283841,
D321508, Mar 30 1989 S&C Electric Company Interrupter switch with selective circuit-isolating feature
D531132, Dec 15 2003 Southern States, LLC Three-phase capacitor switch
D531133, May 12 2004 Southern States, LLC High voltage capacitor switch
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 16 2006Mitsubishi Electric Corporation(assignment on the face of the patent)
Dec 26 2006OTSUKA, TAKUYAMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189260542 pdf
Dec 26 2006SADAKUNI, HITOSHIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189260542 pdf
Dec 27 2006FUJITA, DAISUKEMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189260542 pdf
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