USD439633SExpiredUtility

Vacuum control valve

36
Assignee: CKD CORPPriority: Apr 22, 1999Filed: Oct 22, 1999Granted: Mar 27, 2001
Est. expiryApr 22, 2019(expired)· nominal 20-yr term from priority
Inventors:Toshihiro IkeoHiroshi KagohashiTomohiro Ito
36
PatentIndex Score
4
Cited by
4
References
1
Claims

Claims

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

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