USD316865SExpiredUtility

Air pump

67
Assignee: DU PONTPriority: Jul 28, 1988Filed: Jul 28, 1988Granted: May 14, 1991
Est. expiryJul 28, 2008(expired)· nominal 20-yr term from priority
Inventors:Eric J. ArmstrongThomas Latone
67
PatentIndex Score
11
Cited by
10
References
1
Claims

Claims

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

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