USD291319SExpiredUtility
Diaphragm pump
Individually held — no corporate assignee on recordPriority: Aug 10, 1984Filed: Aug 10, 1984Granted: Aug 11, 1987
Est. expiryAug 10, 2004(expired)· nominal 20-yr term from priority
Inventors:Cecil T. Hicks
58
PatentIndex Score
9
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a diaphragm pump, substantially as shown and described.
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