Patent
   D562255
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.

FIG. 1 is a front, top and left 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.

Nakamura, Katsuhiko, Taniguchi, Hitoshi, Nakamura, Keiichiro, Sadakuni, Hitoshi, Otsuka, Takuya, Kisanuki, Osamu, Osumi, Masanori, Hyodo, Yuki, Sonoda, Kiyoshi, Koike, Yukinori, Yamamoto, Naochika

Patent Priority Assignee Title
D670657, Jul 12 2010 ABB Technology AG Switch gear housing
D686165, Dec 20 2011 ELECTRO-MECHANICAL, LLC Switchgear
D693313, Dec 20 2011 ELECTRO-MECHANICAL, LLC Switchgear
D695232, Mar 23 2012 Mitsubishi Electric Corporation Vacuum circuit breaker
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,
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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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Oct 16 2006Mitsubishi Electric Corporation(assignment on the face of the patent)
Dec 27 2006YAMAMOTO, NAOCHIKAMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006NAKAMURA, KATSUHIKOMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006KOIKE, YUKINORIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006NAKAMURA, KEIICHIROMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006SONODA, KIYOSHIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006HYODO, YUKIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006OTSUKA, TAKUYAMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006KISANUKI, OSAMUMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006SADAKUNI, HITOSHIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006OSUMI, MASANORIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
Dec 27 2006TANIGUCHI, HITOSHIMitsubishi Electric CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0189090467 pdf
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