USD354335SExpiredUtility

Check valve

71
Assignee: QUEST MEDICAL INCPriority: Apr 5, 1993Filed: Apr 5, 1993Granted: Jan 10, 1995
Est. expiryApr 5, 2013(expired)· nominal 20-yr term from priority
Inventors:George G. Siposs
71
PatentIndex Score
14
Cited by
2
References
1
Claims

Claims

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

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