Flange earplug
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Description
FIG. 1 is a rear isometric view of a flange earplug of the invention.
FIG. 2 is a left side elevation view thereof.
FIG. 3 is a front view thereof; and,
FIG. 4 is a rear view thereof.
Claims
The ornamental design for flange earplug, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D195322 | May 1963 | Hill |
D239416 | March 1976 | Visor |
4936411 | June 26, 1990 | Leonard |
5819745 | October 13, 1998 | Mobley et al. |
D493219 | July 20, 2004 | Falco |
D521637 | May 23, 2006 | Yang |
20040069310 | April 15, 2004 | Falco |
- Lab Safety Supply “Industrial Supplies Buye's Guide” (item NRR: 27dB, NRR: 26dB andNRR: 27dB) p. 73 @ 2000.
Patent History
Patent number: D539415
Type: Grant
Filed: May 23, 2005
Date of Patent: Mar 27, 2007
Assignee: Howard Leight Industries, LLC (San Diego, CA)
Inventor: Thomas W. Fleming (San Diego, CA)
Primary Examiner: Ian Simmons
Assistant Examiner: W. Laymon
Attorney: Leon D. Rosen
Application Number: 29/230,527
Type: Grant
Filed: May 23, 2005
Date of Patent: Mar 27, 2007
Assignee: Howard Leight Industries, LLC (San Diego, CA)
Inventor: Thomas W. Fleming (San Diego, CA)
Primary Examiner: Ian Simmons
Assistant Examiner: W. Laymon
Attorney: Leon D. Rosen
Application Number: 29/230,527
Classifications