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Patent
D552561
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Priority
Apr 14 2006
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Filed
Oct 16 2006
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Issued
Oct 09 2007
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Expiry
Oct 09 2021
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Assg.orig
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Entity
unknown
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3
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31
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n/a
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The ornamental design for a gas insulated switchgear, as shown.
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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 |
2401963, |
|
|
|
3602667, |
|
|
|
3823346, |
|
|
|
4059816, |
Jan 31 1975 |
COOPER INDUSTRIES, INC , A CORP OF OH |
Electrical loadbreak fuse and canister assembly |
4109124, |
Apr 07 1975 |
Coq B.V. |
Circuit-breakers for high voltages |
4320377, |
Mar 30 1981 |
COOPER INDUSTRIES, INC , A CORP OF OH |
Arc gas control device for a power class fuse having load break contacts |
4379957, |
Jan 14 1981 |
ABB POWER T&D COMPANY, INC , A DE CORP |
Modular "Y"-type enclosure elements for gas insulated substations |
4831218, |
Sep 28 1984 |
Binagraphics, Inc. |
Universal binary keyboard system |
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 |
5952636, |
Jun 27 1997 |
Hitachi, LTD; TOKYO ELECTRIC POWER CO , INC , THE |
Vacuum type switch gear device having L shaped stationary and movable conductors arrangement |
5991148, |
Apr 17 1997 |
ABB Schweiz AG |
Metal-enclosed gas-insulated switchgear assembly |
6134100, |
Aug 22 1998 |
ABB Schweiz AG |
Gas-insulated switchgear assembly having mounting elements |
6335502, |
Oct 02 1998 |
Hitachi, Ltd. |
Vacuum switch and vacuum switch gear using the vacuum switch |
6545241, |
Oct 20 1998 |
ABB S P A |
Gas-insulated switchgear device |
6573469, |
Oct 20 1998 |
ABB Schweiz AG |
Gas-insulated switchgear device |
6784392, |
Sep 15 1999 |
ABB Schweiz AG |
Gas-insulated switchgear device |
20040079731, |
|
|
|
20040251443, |
|
|
|
20050150869, |
|
|
|
20050236371, |
|
|
|
20060283841, |
|
|
|
159112, |
|
|
|
163986, |
|
|
|
D256353, |
May 01 1978 |
S&C Electric Company |
Base-mounted high voltage circuit interrupter |
D285434, |
Feb 11 1983 |
S&C Electric Company |
High-voltage circuit interrupter |
D312071, |
Jun 29 1987 |
S&C Electric Company; S&C ELECTRIC COMPANY, 6601 NORTH RIDGE BLVD , CHICAGO, ILL A CORP OF DE |
Interrupter switch |
D320977, |
Mar 30 1989 |
S&C Electric Company |
Interrupter switch with circuit-parameter sensing features |
D321170, |
Mar 30 1989 |
S&C Electric Company |
Design for an interrupter switch with current-sensing feature |
D321508, |
Mar 30 1989 |
S&C Electric Company |
Interrupter switch with selective circuit-isolating feature |
D520959, |
Dec 01 2003 |
SMC Kabushiki Kaisha |
Vacuum switch |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a