USD309274SExpiredUtility
Whistle
Individually held — no corporate assignee on recordPriority: Oct 5, 1987Filed: Oct 5, 1987Granted: Jul 17, 1990
Est. expiryOct 5, 2007(expired)· nominal 20-yr term from priority
Inventors:Russell C. Gray
25
PatentIndex Score
4
Cited by
14
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a whistle, as shown and described.
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