USD311878SExpiredUtility

Whistle

Individually held — no corporate assignee on recordPriority: Sep 12, 1988Filed: Sep 12, 1988Granted: Nov 6, 1990
Est. expirySep 12, 2008(expired)· nominal 20-yr term from priority
34
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a whistle, as shown.

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