USD311037SExpiredUtility
Boomerang
Individually held — no corporate assignee on recordPriority: May 11, 1987Filed: May 11, 1987Granted: Oct 2, 1990
Est. expiryMay 11, 2007(expired)· nominal 20-yr term from priority
Inventors:Larry R. Parks
21
PatentIndex Score
1
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a boomerang, as shown and described.
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