USD350731SExpiredUtility

Vacuum valve for a vacuum circuit breaker

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Assignee: TOSHIBA KKPriority: Sep 22, 1992Filed: Mar 22, 1993Granted: Sep 20, 1994
Est. expirySep 22, 2012(expired)· nominal 20-yr term from priority
Inventors:Takayuki MiyazawaJunji FujiwaraKimiya SatoMakoto TaniguchiSatoshi Ogawa
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PatentIndex Score
2
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vacuum valve for a vacuum circuit breaker, as shown and described.

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