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