USPatentGranted
B2

Vacuum circuit breaker

Granted 28 Aug 2012 · 2 office actions

Assignee: Toshiba

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Attorney: Attorney · Log in to unlock

Inventors: Ryosuke Sasaki, Hiromichi Somei · Examiner: Amy Cohen Johnson · AU 2833 · TC 2800

Life of the patent

3 dated events
⤢ drag to zoomJul 2009Jan 2010Jul 2010Jan 2011Jul 2011Jan 2012Jul 2012Prosecution
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Abstract

There is provided a vacuum circuit breaker including a vacuum valve, a first main circuit conductor fixed to a fixed current-carrying rod end of the vacuum valve, a polygonal movable conductor connected to a movable current-carrying rod end of the vacuum valve, an operation movable rod connected to the movable conductor in an axial direction and connected to an operation mechanism, a second main circuit conductor, through which the operation movable rod is movably inserted, and at least one extendable flexible conductor, which connects side surfaces of the movable conductor and the second main circuit conductor.

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

3 codes
IPC · International Patent Classification
Section H — Electricity
  • H01H33/66
USPC · US Patent Classification
218/140218/14

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File wrapper

Pendency
3.0 y
1,112 days filing → grant
Office actions
1
non-final + final
Responses
1
no RCE
Examiner
Amy Cohen Johnson
art unit 2833 · TC 2800
Citations: 13 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20100059480 A111 Mar 2010

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Citations

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