US Patent 7902480 Vacuum insulated switchgear
Patent 7902480 was granted and assigned to Hitachi on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A vacuum insulated switchgear comprising a vacuum container accommodating at least a pair of movable contacts and a pair of fixed contacts, wherein the movable contacts are capable of taking three positions, the switchgear being a double-break three-position type switch having breaking and disconnecting functions.
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Patent Inventor Names
Ayumu Morita0
Kenji Tsuchiya0
Masato Kobayashi0
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US Patent 07902480 Vacuum insulated switchgear US Patent 7902480 Vacuum insulated switchgear
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Patent Number
079024800
Patent Number
79024800
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
079024800
Date of Patent
March 8, 2011
0Patent Application Number
117625040
Date Filed
June 13, 2007
0Official Website
Patent Primary Examiner
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US Patent 07902480 Vacuum insulated switchgear
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07902480
Date of patent
March 8, 2011
Patent application number
11762504
Date Filed
June 13, 2007
Patent primary examiner
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