USD288541SExpiredUtility
Four way corner level
Individually held — no corporate assignee on recordPriority: May 29, 1984Filed: May 29, 1984Granted: Mar 3, 1987
Est. expiryMay 29, 2004(expired)· nominal 20-yr term from priority
Inventors:Robert H. Vanderwerf
67
PatentIndex Score
10
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a four way corner level, as shown and described.
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