USD352093SExpiredUtility
Hand operated air pump for use in composting operations
Individually held — no corporate assignee on recordPriority: Sep 23, 1993Filed: Sep 23, 1993Granted: Nov 1, 1994
Est. expirySep 23, 2013(expired)· nominal 20-yr term from priority
Inventors:Joseph A. Knycha
63
PatentIndex Score
20
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an hand operated air pump for use in composting operations, as shown and described.
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