USD285478SExpiredUtility

Flow control valve

85
Individually held — no corporate assignee on recordPriority: Jan 28, 1983Filed: Jan 28, 1983Granted: Sep 2, 1986
Est. expiryJan 28, 2003(expired)· nominal 20-yr term from priority
Inventors:Robert W. Hengesbach
85
PatentIndex Score
20
Cited by
13
References
1
Claims

Claims

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

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