USD295048SExpiredUtility
Combined vacuum pump and control valves therefor
Est. expiryOct 25, 2005(expired)· nominal 20-yr term from priority
Inventors:Teruo Kanno
57
PatentIndex Score
9
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5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined vacuum pump and control valves therefor, substantially as shown.
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