USD445893SExpiredUtility

Earplug

56
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Nov 6, 2000Filed: Nov 6, 2000Granted: Jul 31, 2001
Est. expiryNov 6, 2020(expired)· nominal 20-yr term from priority
Inventors:Dean M. RemerPaul A. Martinson
A61F 11/08
56
PatentIndex Score
10
Cited by
20
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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