USD268048SExpiredUtility

Diaphragm valve

Assignee: ASAHI ORGANIC CHEM INDPriority: Oct 31, 1979Filed: Apr 2, 1980Granted: Feb 22, 1983
Est. expiryOct 31, 1999(expired)· nominal 20-yr term from priority
Inventors:Tomoyuki Ueda
84
PatentIndex Score
21
Cited by
4
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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