USD454886SExpiredUtility
Diaphragm pump
Est. expiryDec 12, 2020(expired)· nominal 20-yr term from priority
Inventors:Ikuo Ohya
38
PatentIndex Score
5
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2
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1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a diaphragm pump, as shown and described.
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