USD335342SExpiredUtility

Earplug

45
Individually held — no corporate assignee on recordPriority: May 20, 1991Filed: May 20, 1991Granted: May 4, 1993
Est. expiryMay 20, 2011(expired)· nominal 20-yr term from priority
Inventors:Howard S. Leight
45
PatentIndex Score
4
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an earplug, as shown and described.

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