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Earplug

71
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Feb 15, 2013Filed: Feb 15, 2013Granted: Nov 18, 2014
Est. expiryFeb 15, 2033(~6.6 yrs left)· nominal 20-yr term from priority
Inventors:Jeffrey L. HamerKenneth F. TeetersRavi Thomas
A61F 11/08
71
PatentIndex Score
5
Cited by
53
References
1
Claims

Claims

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

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