USD275858SExpiredUtility

Double diaphragm pump

95
Assignee: WILDEN PUMP & ENGPriority: Jun 1, 1982Filed: Jun 1, 1982Granted: Oct 9, 1984
Est. expiryJun 1, 2002(expired)· nominal 20-yr term from priority
Inventors:James K. Wilden
95
PatentIndex Score
46
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a double diaphragm pump, substantially as shown and described.

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