Earplug
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The broken lines shown in the drawings are only provided to illustrate the environment of the design, and form no part of the claimed design.
Claims
The ornamental design for an earplug, as shown and described.
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Type: Grant
Filed: Oct 22, 2009
Date of Patent: Apr 19, 2011
Assignee: Sperian Hearing Protection, LLC (San Diego, CA)
Inventor: Jim Tiemens (Laguna Niguel, CA)
Primary Examiner: Ian Simmons
Assistant Examiner: Charles D Hanson
Attorney: Conley Rose, P.C.
Application Number: 29/345,845