USD338540SExpiredUtility
Structural floor element
Individually held — no corporate assignee on recordPriority: Jun 24, 1991Filed: Jun 24, 1991Granted: Aug 17, 1993
Est. expiryJun 24, 2011(expired)· nominal 20-yr term from priority
Inventors:David A. Selby
29
PatentIndex Score
0
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a structural floor element, as shown and described.
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