USD496091SExpiredUtility

Double check valve

80
Assignee: A R I FLOW CONTROL ACCESSORIESPriority: Jun 3, 2003Filed: Jun 3, 2003Granted: Sep 14, 2004
Est. expiryJun 3, 2023(expired)· nominal 20-yr term from priority
Inventors:Youval KatzmanKobby Greenberg
80
PatentIndex Score
26
Cited by
4
References
1
Claims

Claims

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

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