Earplug switch
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The broken line showing of portions of the article is included for the purpose of illustrating internal boundaries with the broken line itself and the area within forming no part of the claimed design, and is not an indication of texture, gloss, etc.
Claims
The ornamental design for an earplug switch, as shown and described.
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- “3M Combat Arms Earplugs”, 3M Occupational Health & Environmental Safety Division Military Combat safety Gear, 2010, 2 pages.
Type: Grant
Filed: Feb 17, 2014
Date of Patent: Jul 7, 2015
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventor: Jacob H. Ely (Indianapolis, IN)
Primary Examiner: Ian Simmons
Assistant Examiner: Richelle G Shelton
Application Number: 29/482,288