USD294946SExpiredUtility

Air driven diaphragm pump

95
Assignee: WILDEN PUMP & ENGPriority: Aug 6, 1984Filed: Aug 6, 1984Granted: Mar 29, 1988
Est. expiryAug 6, 2004(expired)· nominal 20-yr term from priority
Inventors:James K. Wilden
95
PatentIndex Score
49
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air driven diaphragm pump, as shown and described.

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