Ear plug for respiratory mask

Description

FIG. 1 is a front perspective view of an ear plug for respiratory mask showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the inner portion of the ear plug in FIGS. 1 and 3, which are immediately adjacent to claimed surfaces, represent the bounds of the claimed design, while all other broken lines are directed to the environment and are for illustrative purposes only; the broken lines form no part of the claimed design.

Claims

CLAIM The ornamental design for an ear plug for respiratory mask, as shown and described.

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Inventors:	Omura; Keiko (Hino, JP), Fujimoto; Shinya (Ibaraki, JP), Nishijima; Akito (Ibaraki, JP)
Assignee:	Teijin Pharma Limited (Tokyo, JP)
Appl. No.:	D/369,647
Filed:	September 10, 2010

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Foreign Application Priority Data

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Mar 12, 2010 [JP]			2010-006129

Current U.S. Class:	D24/106
Current International Class:	2401
Field of Search:	;D14/223 ;D24/106,108,110,110.1,127,173,174 ;D29/105,106,108,112 ;2/209 ;128/206.11,206.13,857,864,866,867 ;181/126,128,129,130,135,136

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References Cited [Referenced By]

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U.S. Patent Documents

302738	July 1884	King
333724	January 1886	Blodgett
432612	July 1890	Hamilton
931768	August 1909	Kirkpatrick
2133699	October 1938	Heidbrink
5243971	September 1993	Sullivan et al.
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5757930	May 1998	Seidemann et al.
5816254	October 1998	Beckles
5954682	September 1999	Petrus
6773405	August 2004	Fraden et al.
6938621	September 2005	Greenhaw et al.
D613459	April 2010	Bywater
7715572	May 2010	Solomito et al.
D648846	November 2011	Omura et al.
8180080	May 2012	Polinske
8184838	May 2012	Solomito et al.
2002/0035340	March 2002	Fraden et al.
2004/0254497	December 2004	Fraden et al.
2005/0224082	October 2005	Johnson
2008/0063231	March 2008	Juneau et al.
2009/0041285	February 2009	Parkins et al.
2009/0141920	June 2009	Suyama
2010/0229877	September 2010	Mance et al.
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2012/0051578	March 2012	Parkins et al.

Foreign Patent Documents

	1-22311		Jun 1989		JP
	2-77052		Jun 1990		JP
	2004-000570		Jan 2004		JP
	2004-000572		Jan 2004		JP
	2004-209061		Jul 2004		JP

Other References

Professional Hearing Protection, [online], [retrieved on Aug. 6, 2012]. Retrieved from <http://www.vancouvercustomearplugs.com/industrial-work/>, 2 pages. cited by examiner.

Primary Examiner: Asch; Jeffrey D
Assistant Examiner: Weekley; Shannon
Attorney, Agent or Firm: Sughrue Mion, PLLC