USD299521SExpiredUtility

Diaphragm valve

82
Assignee: SEKISUI CHEMICAL CO LTDPriority: Nov 26, 1984Filed: May 20, 1988Granted: Jan 24, 1989
Est. expiryNov 26, 2004(expired)· nominal 20-yr term from priority
Inventors:Yoshihiro KiyotaToyoji Muratani
82
PatentIndex Score
22
Cited by
8
References
1
Claims

Claims

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

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