USD342472SExpiredUtility
Security trailer hitch ball
Individually held — no corporate assignee on recordPriority: Oct 7, 1992Filed: Oct 7, 1992Granted: Dec 21, 1993
Est. expiryOct 7, 2012(expired)· nominal 20-yr term from priority
Inventors:Gregory L. Harper
49
PatentIndex Score
12
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a security trailer hitch ball, as shown and described.
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