Earplug

- Red Tail Hawk Corporation
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Description

This invention was made with Government support under SBIR contract N68335-09-C-0003, awarded by the US Navy. The government has certain rights in the invention.

FIG. 1 is a perspective view of an earplug showing our new design.

FIG. 2 is a side view thereof.

FIG. 3 is an opposite side view of FIG. 2.

FIG. 4 is another side view thereof.

FIG. 5 is an opposite side view of FIG. 4.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for earplug, as shown and described.

Referenced Cited
U.S. Patent Documents
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D519103 April 18, 2006 Sabick et al.
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D578637 October 14, 2008 Falco
D578638 October 14, 2008 Falco
D578639 October 14, 2008 Falco
D586778 February 17, 2009 Yang
D598894 August 25, 2009 Masuda et al.
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7697706 April 13, 2010 Doty
7743771 June 29, 2010 Falco
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7967015 June 28, 2011 Jenkins, Jr.
Other references
  • Van Wiljngaarden et al. “Development of the Wireless ‘Communications Earplug’ for Application in Military Aviation” J. Audio Eng. Soc., vol. 48, No. 6, Jun. 2000.
Patent History
Patent number: D657499
Type: Grant
Filed: Jan 21, 2011
Date of Patent: Apr 10, 2012
Assignee: Red Tail Hawk Corporation (Ithaca, NY)
Inventors: John W. Parkins (Ithaca, NY), David Parkins (Groton, NY), David L. Fergot (Syracuse, NY), Douglas M. Russell (Syracuse, NY)
Primary Examiner: Elizabeth J Oswecki
Attorney: Brown & Michaels, PC
Application Number: 29/383,730
Classifications
Current U.S. Class: Ear (D29/112); Ear Plug Or Nose Clip (D24/106)